Home / 476,186.45-657,149.76-272,270.57

Finding the Fourth Proportional to 476,186.45, 657,149.76 and 272,270.57

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Solution

The fourth proportional to 476,186.45, 657,149.76 and 272,270.57 is: 375,740.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,186.45 : 657,149.76 = 272,270.57 : x
  2. Step 2: Convert to fraction form
    476,186.45/657,149.76 = 272,270.57/x
  3. Step 3: Cross multiply
    476,186.45x = 657,149.76 × 272,270.57
  4. Step 4: Simplify right side
    476,186.45x = 178,922,536,444.81
  5. Step 5: Solve for x
    x = 178,922,536,444.81/476,186.45
  6. Step 6: Final answer
    x = 375,740.51

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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.