Home / 355,397.40-533,306.70-130,915.62

Finding the Fourth Proportional to 355,397.40, 533,306.70 and 130,915.62

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Solution

The fourth proportional to 355,397.40, 533,306.70 and 130,915.62 is: 196,451.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,397.40 : 533,306.70 = 130,915.62 : x
  2. Step 2: Convert to fraction form
    355,397.40/533,306.70 = 130,915.62/x
  3. Step 3: Cross multiply
    355,397.40x = 533,306.70 × 130,915.62
  4. Step 4: Simplify right side
    355,397.40x = 69,818,177,280.65
  5. Step 5: Solve for x
    x = 69,818,177,280.65/355,397.40
  6. Step 6: Final answer
    x = 196,451.01

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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.