Home / 249,623.60-374,435.40-138,815.60

Finding the Fourth Proportional to 249,623.60, 374,435.40 and 138,815.60

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Solution

The fourth proportional to 249,623.60, 374,435.40 and 138,815.60 is: 208,223.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,623.60 : 374,435.40 = 138,815.60 : x
  2. Step 2: Convert to fraction form
    249,623.60/374,435.40 = 138,815.60/x
  3. Step 3: Cross multiply
    249,623.60x = 374,435.40 × 138,815.60
  4. Step 4: Simplify right side
    249,623.60x = 51,977,474,712.24
  5. Step 5: Solve for x
    x = 51,977,474,712.24/249,623.60
  6. Step 6: Final answer
    x = 208,223.40

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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.