Home / 647,423.20-971,143.76-248,084.16

Finding the Fourth Proportional to 647,423.20, 971,143.76 and 248,084.16

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Solution

The fourth proportional to 647,423.20, 971,143.76 and 248,084.16 is: 372,129.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,423.20 : 971,143.76 = 248,084.16 : x
  2. Step 2: Convert to fraction form
    647,423.20/971,143.76 = 248,084.16/x
  3. Step 3: Cross multiply
    647,423.20x = 971,143.76 × 248,084.16
  4. Step 4: Simplify right side
    647,423.20x = 240,925,383,938.84
  5. Step 5: Solve for x
    x = 240,925,383,938.84/647,423.20
  6. Step 6: Final answer
    x = 372,129.67

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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.