Home / 459,460.38-688,488.86-193,075.26

Finding the Fourth Proportional to 459,460.38, 688,488.86 and 193,075.26

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Solution

The fourth proportional to 459,460.38, 688,488.86 and 193,075.26 is: 289,318.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,460.38 : 688,488.86 = 193,075.26 : x
  2. Step 2: Convert to fraction form
    459,460.38/688,488.86 = 193,075.26/x
  3. Step 3: Cross multiply
    459,460.38x = 688,488.86 × 193,075.26
  4. Step 4: Simplify right side
    459,460.38x = 132,930,165,651.60
  5. Step 5: Solve for x
    x = 132,930,165,651.60/459,460.38
  6. Step 6: Final answer
    x = 289,318.02

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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.