Home / 280,335.13-420,677.67-114,123.13

Finding the Fourth Proportional to 280,335.13, 420,677.67 and 114,123.13

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Solution

The fourth proportional to 280,335.13, 420,677.67 and 114,123.13 is: 171,255.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,335.13 : 420,677.67 = 114,123.13 : x
  2. Step 2: Convert to fraction form
    280,335.13/420,677.67 = 114,123.13/x
  3. Step 3: Cross multiply
    280,335.13x = 420,677.67 × 114,123.13
  4. Step 4: Simplify right side
    280,335.13x = 48,009,052,421.51
  5. Step 5: Solve for x
    x = 48,009,052,421.51/280,335.13
  6. Step 6: Final answer
    x = 171,255.93

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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.