Home / 450,946.14-676,402.81-135,394.85

Finding the Fourth Proportional to 450,946.14, 676,402.81 and 135,394.85

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Solution

The fourth proportional to 450,946.14, 676,402.81 and 135,394.85 is: 203,087.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,946.14 : 676,402.81 = 135,394.85 : x
  2. Step 2: Convert to fraction form
    450,946.14/676,402.81 = 135,394.85/x
  3. Step 3: Cross multiply
    450,946.14x = 676,402.81 × 135,394.85
  4. Step 4: Simplify right side
    450,946.14x = 91,581,454,547.28
  5. Step 5: Solve for x
    x = 91,581,454,547.28/450,946.14
  6. Step 6: Final answer
    x = 203,087.34

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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.