Home / 346,218.60-519,560.64-121,580.76

Finding the Fourth Proportional to 346,218.60, 519,560.64 and 121,580.76

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Solution

The fourth proportional to 346,218.60, 519,560.64 and 121,580.76 is: 182,452.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,218.60 : 519,560.64 = 121,580.76 : x
  2. Step 2: Convert to fraction form
    346,218.60/519,560.64 = 121,580.76/x
  3. Step 3: Cross multiply
    346,218.60x = 519,560.64 × 121,580.76
  4. Step 4: Simplify right side
    346,218.60x = 63,168,577,477.29
  5. Step 5: Solve for x
    x = 63,168,577,477.29/346,218.60
  6. Step 6: Final answer
    x = 182,452.87

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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.