Home / 388,741.68-583,264.80-152,043.48

Finding the Fourth Proportional to 388,741.68, 583,264.80 and 152,043.48

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Solution

The fourth proportional to 388,741.68, 583,264.80 and 152,043.48 is: 228,124.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,741.68 : 583,264.80 = 152,043.48 : x
  2. Step 2: Convert to fraction form
    388,741.68/583,264.80 = 152,043.48/x
  3. Step 3: Cross multiply
    388,741.68x = 583,264.80 × 152,043.48
  4. Step 4: Simplify right side
    388,741.68x = 88,681,609,953.50
  5. Step 5: Solve for x
    x = 88,681,609,953.50/388,741.68
  6. Step 6: Final answer
    x = 228,124.78

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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.