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Finding the Fourth Proportional to 280,241.52, 386,742.62 and 152,924.08

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Solution

The fourth proportional to 280,241.52, 386,742.62 and 152,924.08 is: 211,040.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,241.52 : 386,742.62 = 152,924.08 : x
  2. Step 2: Convert to fraction form
    280,241.52/386,742.62 = 152,924.08/x
  3. Step 3: Cross multiply
    280,241.52x = 386,742.62 × 152,924.08
  4. Step 4: Simplify right side
    280,241.52x = 59,142,259,360.29
  5. Step 5: Solve for x
    x = 59,142,259,360.29/280,241.52
  6. Step 6: Final answer
    x = 211,040.32

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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.