Home / 280,242.90-386,744.52-152,925.48

Finding the Fourth Proportional to 280,242.90, 386,744.52 and 152,925.48

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Solution

The fourth proportional to 280,242.90, 386,744.52 and 152,925.48 is: 211,042.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,242.90 : 386,744.52 = 152,925.48 : x
  2. Step 2: Convert to fraction form
    280,242.90/386,744.52 = 152,925.48/x
  3. Step 3: Cross multiply
    280,242.90x = 386,744.52 × 152,925.48
  4. Step 4: Simplify right side
    280,242.90x = 59,143,091,358.37
  5. Step 5: Solve for x
    x = 59,143,091,358.37/280,242.90
  6. Step 6: Final answer
    x = 211,042.25

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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.