Home / 348,931.80-523,397.70-307,459.80

Finding the Fourth Proportional to 348,931.80, 523,397.70 and 307,459.80

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Solution

The fourth proportional to 348,931.80, 523,397.70 and 307,459.80 is: 461,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,931.80 : 523,397.70 = 307,459.80 : x
  2. Step 2: Convert to fraction form
    348,931.80/523,397.70 = 307,459.80/x
  3. Step 3: Cross multiply
    348,931.80x = 523,397.70 × 307,459.80
  4. Step 4: Simplify right side
    348,931.80x = 160,923,752,162.46
  5. Step 5: Solve for x
    x = 160,923,752,162.46/348,931.80
  6. Step 6: Final answer
    x = 461,189.70

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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.