Home / 401,381.16-602,432.70-214,552.36

Finding the Fourth Proportional to 401,381.16, 602,432.70 and 214,552.36

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Solution

The fourth proportional to 401,381.16, 602,432.70 and 214,552.36 is: 322,021.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,381.16 : 602,432.70 = 214,552.36 : x
  2. Step 2: Convert to fraction form
    401,381.16/602,432.70 = 214,552.36/x
  3. Step 3: Cross multiply
    401,381.16x = 602,432.70 × 214,552.36
  4. Step 4: Simplify right side
    401,381.16x = 129,253,357,526.17
  5. Step 5: Solve for x
    x = 129,253,357,526.17/401,381.16
  6. Step 6: Final answer
    x = 322,021.49

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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.