Home / 351,678.16-527,603.68-102,362.32

Finding the Fourth Proportional to 351,678.16, 527,603.68 and 102,362.32

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Solution

The fourth proportional to 351,678.16, 527,603.68 and 102,362.32 is: 153,568.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,678.16 : 527,603.68 = 102,362.32 : x
  2. Step 2: Convert to fraction form
    351,678.16/527,603.68 = 102,362.32/x
  3. Step 3: Cross multiply
    351,678.16x = 527,603.68 × 102,362.32
  4. Step 4: Simplify right side
    351,678.16x = 54,006,736,725.34
  5. Step 5: Solve for x
    x = 54,006,736,725.34/351,678.16
  6. Step 6: Final answer
    x = 153,568.64

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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.