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Finding the Fourth Proportional to 296,767.37, 445,595.75 and 256,909.30

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Solution

The fourth proportional to 296,767.37, 445,595.75 and 256,909.30 is: 385,748.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,767.37 : 445,595.75 = 256,909.30 : x
  2. Step 2: Convert to fraction form
    296,767.37/445,595.75 = 256,909.30/x
  3. Step 3: Cross multiply
    296,767.37x = 445,595.75 × 256,909.30
  4. Step 4: Simplify right side
    296,767.37x = 114,477,688,702.95
  5. Step 5: Solve for x
    x = 114,477,688,702.95/296,767.37
  6. Step 6: Final answer
    x = 385,748.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.