Home / 346,339.40-519,538.68-121,680.32

Finding the Fourth Proportional to 346,339.40, 519,538.68 and 121,680.32

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Solution

The fourth proportional to 346,339.40, 519,538.68 and 121,680.32 is: 182,530.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,339.40 : 519,538.68 = 121,680.32 : x
  2. Step 2: Convert to fraction form
    346,339.40/519,538.68 = 121,680.32/x
  3. Step 3: Cross multiply
    346,339.40x = 519,538.68 × 121,680.32
  4. Step 4: Simplify right side
    346,339.40x = 63,217,632,834.78
  5. Step 5: Solve for x
    x = 63,217,632,834.78/346,339.40
  6. Step 6: Final answer
    x = 182,530.87

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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.