Home / 294,914.18-442,298.01-126,415.40

Finding the Fourth Proportional to 294,914.18, 442,298.01 and 126,415.40

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Solution

The fourth proportional to 294,914.18, 442,298.01 and 126,415.40 is: 189,591.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,914.18 : 442,298.01 = 126,415.40 : x
  2. Step 2: Convert to fraction form
    294,914.18/442,298.01 = 126,415.40/x
  3. Step 3: Cross multiply
    294,914.18x = 442,298.01 × 126,415.40
  4. Step 4: Simplify right side
    294,914.18x = 55,913,279,853.35
  5. Step 5: Solve for x
    x = 55,913,279,853.35/294,914.18
  6. Step 6: Final answer
    x = 189,591.70

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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.