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Finding the Fourth Proportional to 256,303.08, 353,674.08 and 148,870.35

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Solution

The fourth proportional to 256,303.08, 353,674.08 and 148,870.35 is: 205,427.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,303.08 : 353,674.08 = 148,870.35 : x
  2. Step 2: Convert to fraction form
    256,303.08/353,674.08 = 148,870.35/x
  3. Step 3: Cross multiply
    256,303.08x = 353,674.08 × 148,870.35
  4. Step 4: Simplify right side
    256,303.08x = 52,651,584,075.53
  5. Step 5: Solve for x
    x = 52,651,584,075.53/256,303.08
  6. Step 6: Final answer
    x = 205,427.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.