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Finding the Fourth Proportional to 207,580.81, 310,233.86 and 151,538.93

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Solution

The fourth proportional to 207,580.81, 310,233.86 and 151,538.93 is: 226,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,580.81 : 310,233.86 = 151,538.93 : x
  2. Step 2: Convert to fraction form
    207,580.81/310,233.86 = 151,538.93/x
  3. Step 3: Cross multiply
    207,580.81x = 310,233.86 × 151,538.93
  4. Step 4: Simplify right side
    207,580.81x = 47,012,506,436.48
  5. Step 5: Solve for x
    x = 47,012,506,436.48/207,580.81
  6. Step 6: Final answer
    x = 226,478.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.