Home / 247,145.40-370,718.10-114,285.15

Finding the Fourth Proportional to 247,145.40, 370,718.10 and 114,285.15

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Solution

The fourth proportional to 247,145.40, 370,718.10 and 114,285.15 is: 171,427.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,145.40 : 370,718.10 = 114,285.15 : x
  2. Step 2: Convert to fraction form
    247,145.40/370,718.10 = 114,285.15/x
  3. Step 3: Cross multiply
    247,145.40x = 370,718.10 × 114,285.15
  4. Step 4: Simplify right side
    247,145.40x = 42,367,573,666.22
  5. Step 5: Solve for x
    x = 42,367,573,666.22/247,145.40
  6. Step 6: Final answer
    x = 171,427.73

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1.5x scale

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.