Home / 385,555.23-532,068.03-215,822.16

Finding the Fourth Proportional to 385,555.23, 532,068.03 and 215,822.16

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Solution

The fourth proportional to 385,555.23, 532,068.03 and 215,822.16 is: 297,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,555.23 : 532,068.03 = 215,822.16 : x
  2. Step 2: Convert to fraction form
    385,555.23/532,068.03 = 215,822.16/x
  3. Step 3: Cross multiply
    385,555.23x = 532,068.03 × 215,822.16
  4. Step 4: Simplify right side
    385,555.23x = 114,832,071,501.55
  5. Step 5: Solve for x
    x = 114,832,071,501.55/385,555.23
  6. Step 6: Final answer
    x = 297,835.60

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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.