Home / 316,126.08-436,680-252,915.84

Finding the Fourth Proportional to 316,126.08, 436,680 and 252,915.84

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Solution

The fourth proportional to 316,126.08, 436,680 and 252,915.84 is: 349,364.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,126.08 : 436,680 = 252,915.84 : x
  2. Step 2: Convert to fraction form
    316,126.08/436,680 = 252,915.84/x
  3. Step 3: Cross multiply
    316,126.08x = 436,680 × 252,915.84
  4. Step 4: Simplify right side
    316,126.08x = 110,443,289,011.20
  5. Step 5: Solve for x
    x = 110,443,289,011.20/316,126.08
  6. Step 6: Final answer
    x = 349,364.69

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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.