Home / 429,478.06-592,699.45-238,492.20

Finding the Fourth Proportional to 429,478.06, 592,699.45 and 238,492.20

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Solution

The fourth proportional to 429,478.06, 592,699.45 and 238,492.20 is: 329,130.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,478.06 : 592,699.45 = 238,492.20 : x
  2. Step 2: Convert to fraction form
    429,478.06/592,699.45 = 238,492.20/x
  3. Step 3: Cross multiply
    429,478.06x = 592,699.45 × 238,492.20
  4. Step 4: Simplify right side
    429,478.06x = 141,354,195,769.29
  5. Step 5: Solve for x
    x = 141,354,195,769.29/429,478.06
  6. Step 6: Final answer
    x = 329,130.19

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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.