Home / 249,733.60-374,632.80-123,438.40

Finding the Fourth Proportional to 249,733.60, 374,632.80 and 123,438.40

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Solution

The fourth proportional to 249,733.60, 374,632.80 and 123,438.40 is: 185,173.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,733.60 : 374,632.80 = 123,438.40 : x
  2. Step 2: Convert to fraction form
    249,733.60/374,632.80 = 123,438.40/x
  3. Step 3: Cross multiply
    249,733.60x = 374,632.80 × 123,438.40
  4. Step 4: Simplify right side
    249,733.60x = 46,244,073,419.52
  5. Step 5: Solve for x
    x = 46,244,073,419.52/249,733.60
  6. Step 6: Final answer
    x = 185,173.61

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1.5x scale

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.