Home / 280,250.10-386,746.11-152,927.82

Finding the Fourth Proportional to 280,250.10, 386,746.11 and 152,927.82

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Solution

The fourth proportional to 280,250.10, 386,746.11 and 152,927.82 is: 211,040.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,250.10 : 386,746.11 = 152,927.82 : x
  2. Step 2: Convert to fraction form
    280,250.10/386,746.11 = 152,927.82/x
  3. Step 3: Cross multiply
    280,250.10x = 386,746.11 × 152,927.82
  4. Step 4: Simplify right side
    280,250.10x = 59,144,239,495.78
  5. Step 5: Solve for x
    x = 59,144,239,495.78/280,250.10
  6. Step 6: Final answer
    x = 211,040.92

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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.