Home / 388,815.13-583,222.70-93,327.13

Finding the Fourth Proportional to 388,815.13, 583,222.70 and 93,327.13

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Solution

The fourth proportional to 388,815.13, 583,222.70 and 93,327.13 is: 139,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,815.13 : 583,222.70 = 93,327.13 : x
  2. Step 2: Convert to fraction form
    388,815.13/583,222.70 = 93,327.13/x
  3. Step 3: Cross multiply
    388,815.13x = 583,222.70 × 93,327.13
  4. Step 4: Simplify right side
    388,815.13x = 54,430,500,741.85
  5. Step 5: Solve for x
    x = 54,430,500,741.85/388,815.13
  6. Step 6: Final answer
    x = 139,990.70

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1.5x scale

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.