Home / 249,840.48-374,666.56-81,316.64

Finding the Fourth Proportional to 249,840.48, 374,666.56 and 81,316.64

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Solution

The fourth proportional to 249,840.48, 374,666.56 and 81,316.64 is: 121,944.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,840.48 : 374,666.56 = 81,316.64 : x
  2. Step 2: Convert to fraction form
    249,840.48/374,666.56 = 81,316.64/x
  3. Step 3: Cross multiply
    249,840.48x = 374,666.56 × 81,316.64
  4. Step 4: Simplify right side
    249,840.48x = 30,466,625,779.56
  5. Step 5: Solve for x
    x = 30,466,625,779.56/249,840.48
  6. Step 6: Final answer
    x = 121,944.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.