Home / 432,313.88-596,598.05-238,721.32

Finding the Fourth Proportional to 432,313.88, 596,598.05 and 238,721.32

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Solution

The fourth proportional to 432,313.88, 596,598.05 and 238,721.32 is: 329,438.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,313.88 : 596,598.05 = 238,721.32 : x
  2. Step 2: Convert to fraction form
    432,313.88/596,598.05 = 238,721.32/x
  3. Step 3: Cross multiply
    432,313.88x = 596,598.05 × 238,721.32
  4. Step 4: Simplify right side
    432,313.88x = 142,420,674,005.17
  5. Step 5: Solve for x
    x = 142,420,674,005.17/432,313.88
  6. Step 6: Final answer
    x = 329,438.13

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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.