Home / 346,280.10-519,354.54-121,587.72

Finding the Fourth Proportional to 346,280.10, 519,354.54 and 121,587.72

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Solution

The fourth proportional to 346,280.10, 519,354.54 and 121,587.72 is: 182,358.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,280.10 : 519,354.54 = 121,587.72 : x
  2. Step 2: Convert to fraction form
    346,280.10/519,354.54 = 121,587.72/x
  3. Step 3: Cross multiply
    346,280.10x = 519,354.54 × 121,587.72
  4. Step 4: Simplify right side
    346,280.10x = 63,147,134,390.25
  5. Step 5: Solve for x
    x = 63,147,134,390.25/346,280.10
  6. Step 6: Final answer
    x = 182,358.54

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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.