Home / 346,274.10-519,345.54-121,581.72

Finding the Fourth Proportional to 346,274.10, 519,345.54 and 121,581.72

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Solution

The fourth proportional to 346,274.10, 519,345.54 and 121,581.72 is: 182,349.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,274.10 : 519,345.54 = 121,581.72 : x
  2. Step 2: Convert to fraction form
    346,274.10/519,345.54 = 121,581.72/x
  3. Step 3: Cross multiply
    346,274.10x = 519,345.54 × 121,581.72
  4. Step 4: Simplify right side
    346,274.10x = 63,142,924,027.53
  5. Step 5: Solve for x
    x = 63,142,924,027.53/346,274.10
  6. Step 6: Final answer
    x = 182,349.54

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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.