Home / 521,282.90-781,988.75-184,254.05

Finding the Fourth Proportional to 521,282.90, 781,988.75 and 184,254.05

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Solution

The fourth proportional to 521,282.90, 781,988.75 and 184,254.05 is: 276,403.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,282.90 : 781,988.75 = 184,254.05 : x
  2. Step 2: Convert to fraction form
    521,282.90/781,988.75 = 184,254.05/x
  3. Step 3: Cross multiply
    521,282.90x = 781,988.75 × 184,254.05
  4. Step 4: Simplify right side
    521,282.90x = 144,084,595,966.59
  5. Step 5: Solve for x
    x = 144,084,595,966.59/521,282.90
  6. Step 6: Final answer
    x = 276,403.84

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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.