Home / 340,436.08-469,772.76-189,547.12

Finding the Fourth Proportional to 340,436.08, 469,772.76 and 189,547.12

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Solution

The fourth proportional to 340,436.08, 469,772.76 and 189,547.12 is: 261,558.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,436.08 : 469,772.76 = 189,547.12 : x
  2. Step 2: Convert to fraction form
    340,436.08/469,772.76 = 189,547.12/x
  3. Step 3: Cross multiply
    340,436.08x = 469,772.76 × 189,547.12
  4. Step 4: Simplify right side
    340,436.08x = 89,044,073,712.45
  5. Step 5: Solve for x
    x = 89,044,073,712.45/340,436.08
  6. Step 6: Final answer
    x = 261,558.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.