Home / 249,686.40-374,529.60-109,718.40

Finding the Fourth Proportional to 249,686.40, 374,529.60 and 109,718.40

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Solution

The fourth proportional to 249,686.40, 374,529.60 and 109,718.40 is: 164,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,686.40 : 374,529.60 = 109,718.40 : x
  2. Step 2: Convert to fraction form
    249,686.40/374,529.60 = 109,718.40/x
  3. Step 3: Cross multiply
    249,686.40x = 374,529.60 × 109,718.40
  4. Step 4: Simplify right side
    249,686.40x = 41,092,788,464.64
  5. Step 5: Solve for x
    x = 41,092,788,464.64/249,686.40
  6. Step 6: Final answer
    x = 164,577.60

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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.