Home / 448,437.14-618,815.13-257,316.02

Finding the Fourth Proportional to 448,437.14, 618,815.13 and 257,316.02

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Solution

The fourth proportional to 448,437.14, 618,815.13 and 257,316.02 is: 355,079.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,437.14 : 618,815.13 = 257,316.02 : x
  2. Step 2: Convert to fraction form
    448,437.14/618,815.13 = 257,316.02/x
  3. Step 3: Cross multiply
    448,437.14x = 618,815.13 × 257,316.02
  4. Step 4: Simplify right side
    448,437.14x = 159,231,046,367.38
  5. Step 5: Solve for x
    x = 159,231,046,367.38/448,437.14
  6. Step 6: Final answer
    x = 355,079.97

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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.