Home / 565,721.40-848,562.90-145,001.40

Finding the Fourth Proportional to 565,721.40, 848,562.90 and 145,001.40

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Solution

The fourth proportional to 565,721.40, 848,562.90 and 145,001.40 is: 217,497.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,721.40 : 848,562.90 = 145,001.40 : x
  2. Step 2: Convert to fraction form
    565,721.40/848,562.90 = 145,001.40/x
  3. Step 3: Cross multiply
    565,721.40x = 848,562.90 × 145,001.40
  4. Step 4: Simplify right side
    565,721.40x = 123,042,808,488.06
  5. Step 5: Solve for x
    x = 123,042,808,488.06/565,721.40
  6. Step 6: Final answer
    x = 217,497.18

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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.