Home / 448,531.44-618,779.16-257,501.04

Finding the Fourth Proportional to 448,531.44, 618,779.16 and 257,501.04

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Solution

The fourth proportional to 448,531.44, 618,779.16 and 257,501.04 is: 355,239.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,531.44 : 618,779.16 = 257,501.04 : x
  2. Step 2: Convert to fraction form
    448,531.44/618,779.16 = 257,501.04/x
  3. Step 3: Cross multiply
    448,531.44x = 618,779.16 × 257,501.04
  4. Step 4: Simplify right side
    448,531.44x = 159,336,277,230.33
  5. Step 5: Solve for x
    x = 159,336,277,230.33/448,531.44
  6. Step 6: Final answer
    x = 355,239.93

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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.