Home / 278,325.84-384,088.02-150,998.70

Finding the Fourth Proportional to 278,325.84, 384,088.02 and 150,998.70

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Solution

The fourth proportional to 278,325.84, 384,088.02 and 150,998.70 is: 208,377.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,325.84 : 384,088.02 = 150,998.70 : x
  2. Step 2: Convert to fraction form
    278,325.84/384,088.02 = 150,998.70/x
  3. Step 3: Cross multiply
    278,325.84x = 384,088.02 × 150,998.70
  4. Step 4: Simplify right side
    278,325.84x = 57,996,791,705.57
  5. Step 5: Solve for x
    x = 57,996,791,705.57/278,325.84
  6. Step 6: Final answer
    x = 208,377.32

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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.