Home / 249,531.40-374,297.10-99,697.60

Finding the Fourth Proportional to 249,531.40, 374,297.10 and 99,697.60

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Solution

The fourth proportional to 249,531.40, 374,297.10 and 99,697.60 is: 149,546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,531.40 : 374,297.10 = 99,697.60 : x
  2. Step 2: Convert to fraction form
    249,531.40/374,297.10 = 99,697.60/x
  3. Step 3: Cross multiply
    249,531.40x = 374,297.10 × 99,697.60
  4. Step 4: Simplify right side
    249,531.40x = 37,316,522,556.96
  5. Step 5: Solve for x
    x = 37,316,522,556.96/249,531.40
  6. Step 6: Final answer
    x = 149,546.40

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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.