Home / 388,984.80-583,477.20-152,248.80

Finding the Fourth Proportional to 388,984.80, 583,477.20 and 152,248.80

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Solution

The fourth proportional to 388,984.80, 583,477.20 and 152,248.80 is: 228,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,984.80 : 583,477.20 = 152,248.80 : x
  2. Step 2: Convert to fraction form
    388,984.80/583,477.20 = 152,248.80/x
  3. Step 3: Cross multiply
    388,984.80x = 583,477.20 × 152,248.80
  4. Step 4: Simplify right side
    388,984.80x = 88,833,703,527.36
  5. Step 5: Solve for x
    x = 88,833,703,527.36/388,984.80
  6. Step 6: Final answer
    x = 228,373.20

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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.