Home / 249,433.96-374,430.80-99,778.57

Finding the Fourth Proportional to 249,433.96, 374,430.80 and 99,778.57

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Solution

The fourth proportional to 249,433.96, 374,430.80 and 99,778.57 is: 149,779.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,433.96 : 374,430.80 = 99,778.57 : x
  2. Step 2: Convert to fraction form
    249,433.96/374,430.80 = 99,778.57/x
  3. Step 3: Cross multiply
    249,433.96x = 374,430.80 × 99,778.57
  4. Step 4: Simplify right side
    249,433.96x = 37,360,170,680.96
  5. Step 5: Solve for x
    x = 37,360,170,680.96/249,433.96
  6. Step 6: Final answer
    x = 149,779.81

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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.