Home / 248,442.96-342,899.82-157,904.40

Finding the Fourth Proportional to 248,442.96, 342,899.82 and 157,904.40

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Solution

The fourth proportional to 248,442.96, 342,899.82 and 157,904.40 is: 217,938.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,442.96 : 342,899.82 = 157,904.40 : x
  2. Step 2: Convert to fraction form
    248,442.96/342,899.82 = 157,904.40/x
  3. Step 3: Cross multiply
    248,442.96x = 342,899.82 × 157,904.40
  4. Step 4: Simplify right side
    248,442.96x = 54,145,390,337.21
  5. Step 5: Solve for x
    x = 54,145,390,337.21/248,442.96
  6. Step 6: Final answer
    x = 217,938.92

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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.