Home / 384,648.20-577,078.95-160,114.40

Finding the Fourth Proportional to 384,648.20, 577,078.95 and 160,114.40

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Solution

The fourth proportional to 384,648.20, 577,078.95 and 160,114.40 is: 240,215.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,648.20 : 577,078.95 = 160,114.40 : x
  2. Step 2: Convert to fraction form
    384,648.20/577,078.95 = 160,114.40/x
  3. Step 3: Cross multiply
    384,648.20x = 577,078.95 × 160,114.40
  4. Step 4: Simplify right side
    384,648.20x = 92,398,649,831.88
  5. Step 5: Solve for x
    x = 92,398,649,831.88/384,648.20
  6. Step 6: Final answer
    x = 240,215.99

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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.