Home / 389,392.12-584,088.18-152,846.20

Finding the Fourth Proportional to 389,392.12, 584,088.18 and 152,846.20

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Solution

The fourth proportional to 389,392.12, 584,088.18 and 152,846.20 is: 229,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,392.12 : 584,088.18 = 152,846.20 : x
  2. Step 2: Convert to fraction form
    389,392.12/584,088.18 = 152,846.20/x
  3. Step 3: Cross multiply
    389,392.12x = 584,088.18 × 152,846.20
  4. Step 4: Simplify right side
    389,392.12x = 89,275,658,777.92
  5. Step 5: Solve for x
    x = 89,275,658,777.92/389,392.12
  6. Step 6: Final answer
    x = 229,269.30

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1.5x scale

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.