Home / 280,262.96-386,771.04-152,946.74

Finding the Fourth Proportional to 280,262.96, 386,771.04 and 152,946.74

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Solution

The fourth proportional to 280,262.96, 386,771.04 and 152,946.74 is: 211,070.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,262.96 : 386,771.04 = 152,946.74 : x
  2. Step 2: Convert to fraction form
    280,262.96/386,771.04 = 152,946.74/x
  3. Step 3: Cross multiply
    280,262.96x = 386,771.04 × 152,946.74
  4. Step 4: Simplify right side
    280,262.96x = 59,155,369,694.41
  5. Step 5: Solve for x
    x = 59,155,369,694.41/280,262.96
  6. Step 6: Final answer
    x = 211,070.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.