Home / 370,186.79-555,280.25-133,529.44

Finding the Fourth Proportional to 370,186.79, 555,280.25 and 133,529.44

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Solution

The fourth proportional to 370,186.79, 555,280.25 and 133,529.44 is: 200,294.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,186.79 : 555,280.25 = 133,529.44 : x
  2. Step 2: Convert to fraction form
    370,186.79/555,280.25 = 133,529.44/x
  3. Step 3: Cross multiply
    370,186.79x = 555,280.25 × 133,529.44
  4. Step 4: Simplify right side
    370,186.79x = 74,146,258,769.71
  5. Step 5: Solve for x
    x = 74,146,258,769.71/370,186.79
  6. Step 6: Final answer
    x = 200,294.18

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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.