Home / 429,131.45-592,140.94-257,009.08

Finding the Fourth Proportional to 429,131.45, 592,140.94 and 257,009.08

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Solution

The fourth proportional to 429,131.45, 592,140.94 and 257,009.08 is: 354,636.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,131.45 : 592,140.94 = 257,009.08 : x
  2. Step 2: Convert to fraction form
    429,131.45/592,140.94 = 257,009.08/x
  3. Step 3: Cross multiply
    429,131.45x = 592,140.94 × 257,009.08
  4. Step 4: Simplify right side
    429,131.45x = 152,185,598,219.74
  5. Step 5: Solve for x
    x = 152,185,598,219.74/429,131.45
  6. Step 6: Final answer
    x = 354,636.32

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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.