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Finding the Fourth Proportional to 486,149.26, 670,886.02 and 268,358

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Solution

The fourth proportional to 486,149.26, 670,886.02 and 268,358 is: 370,334.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,149.26 : 670,886.02 = 268,358 : x
  2. Step 2: Convert to fraction form
    486,149.26/670,886.02 = 268,358/x
  3. Step 3: Cross multiply
    486,149.26x = 670,886.02 × 268,358
  4. Step 4: Simplify right side
    486,149.26x = 180,037,630,555.16
  5. Step 5: Solve for x
    x = 180,037,630,555.16/486,149.26
  6. Step 6: Final answer
    x = 370,334.06

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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.