Home / 388,835.19-583,233.30-152,221.23

Finding the Fourth Proportional to 388,835.19, 583,233.30 and 152,221.23

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Solution

The fourth proportional to 388,835.19, 583,233.30 and 152,221.23 is: 228,324.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,835.19 : 583,233.30 = 152,221.23 : x
  2. Step 2: Convert to fraction form
    388,835.19/583,233.30 = 152,221.23/x
  3. Step 3: Cross multiply
    388,835.19x = 583,233.30 × 152,221.23
  4. Step 4: Simplify right side
    388,835.19x = 88,780,490,302.96
  5. Step 5: Solve for x
    x = 88,780,490,302.96/388,835.19
  6. Step 6: Final answer
    x = 228,324.22

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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.