Home / 389,528.43-583,939.98-152,807.55

Finding the Fourth Proportional to 389,528.43, 583,939.98 and 152,807.55

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Solution

The fourth proportional to 389,528.43, 583,939.98 and 152,807.55 is: 229,072.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,528.43 : 583,939.98 = 152,807.55 : x
  2. Step 2: Convert to fraction form
    389,528.43/583,939.98 = 152,807.55/x
  3. Step 3: Cross multiply
    389,528.43x = 583,939.98 × 152,807.55
  4. Step 4: Simplify right side
    389,528.43x = 89,230,437,690.85
  5. Step 5: Solve for x
    x = 89,230,437,690.85/389,528.43
  6. Step 6: Final answer
    x = 229,072.98

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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.