Home / 280,260.93-386,768.31-152,944.74

Finding the Fourth Proportional to 280,260.93, 386,768.31 and 152,944.74

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Solution

The fourth proportional to 280,260.93, 386,768.31 and 152,944.74 is: 211,068.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,260.93 : 386,768.31 = 152,944.74 : x
  2. Step 2: Convert to fraction form
    280,260.93/386,768.31 = 152,944.74/x
  3. Step 3: Cross multiply
    280,260.93x = 386,768.31 × 152,944.74
  4. Step 4: Simplify right side
    280,260.93x = 59,154,178,613.19
  5. Step 5: Solve for x
    x = 59,154,178,613.19/280,260.93
  6. Step 6: Final answer
    x = 211,068.23

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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.