Home / 389,064.52-583,647.80-152,376.44

Finding the Fourth Proportional to 389,064.52, 583,647.80 and 152,376.44

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Solution

The fourth proportional to 389,064.52, 583,647.80 and 152,376.44 is: 228,584.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,064.52 : 583,647.80 = 152,376.44 : x
  2. Step 2: Convert to fraction form
    389,064.52/583,647.80 = 152,376.44/x
  3. Step 3: Cross multiply
    389,064.52x = 583,647.80 × 152,376.44
  4. Step 4: Simplify right side
    389,064.52x = 88,934,173,977.83
  5. Step 5: Solve for x
    x = 88,934,173,977.83/389,064.52
  6. Step 6: Final answer
    x = 228,584.64

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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.