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Finding the Fourth Proportional to 272,504.16, 376,022.16 and 151,613.28

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Solution

The fourth proportional to 272,504.16, 376,022.16 and 151,613.28 is: 209,207.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,504.16 : 376,022.16 = 151,613.28 : x
  2. Step 2: Convert to fraction form
    272,504.16/376,022.16 = 151,613.28/x
  3. Step 3: Cross multiply
    272,504.16x = 376,022.16 × 151,613.28
  4. Step 4: Simplify right side
    272,504.16x = 57,009,953,030.28
  5. Step 5: Solve for x
    x = 57,009,953,030.28/272,504.16
  6. Step 6: Final answer
    x = 209,207.64

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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.