Home / 435,174.12-652,455-168,710.04

Finding the Fourth Proportional to 435,174.12, 652,455 and 168,710.04

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Solution

The fourth proportional to 435,174.12, 652,455 and 168,710.04 is: 252,946.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,174.12 : 652,455 = 168,710.04 : x
  2. Step 2: Convert to fraction form
    435,174.12/652,455 = 168,710.04/x
  3. Step 3: Cross multiply
    435,174.12x = 652,455 × 168,710.04
  4. Step 4: Simplify right side
    435,174.12x = 110,075,709,148.20
  5. Step 5: Solve for x
    x = 110,075,709,148.20/435,174.12
  6. Step 6: Final answer
    x = 252,946.36

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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.