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Finding the Fourth Proportional to 207,597.27, 310,258.40 and 151,555.40

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Solution

The fourth proportional to 207,597.27, 310,258.40 and 151,555.40 is: 226,502.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,597.27 : 310,258.40 = 151,555.40 : x
  2. Step 2: Convert to fraction form
    207,597.27/310,258.40 = 151,555.40/x
  3. Step 3: Cross multiply
    207,597.27x = 310,258.40 × 151,555.40
  4. Step 4: Simplify right side
    207,597.27x = 47,021,335,915.36
  5. Step 5: Solve for x
    x = 47,021,335,915.36/207,597.27
  6. Step 6: Final answer
    x = 226,502.67

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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.