Home / 249,629.60-374,444.40-210,117.80

Finding the Fourth Proportional to 249,629.60, 374,444.40 and 210,117.80

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Solution

The fourth proportional to 249,629.60, 374,444.40 and 210,117.80 is: 315,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,629.60 : 374,444.40 = 210,117.80 : x
  2. Step 2: Convert to fraction form
    249,629.60/374,444.40 = 210,117.80/x
  3. Step 3: Cross multiply
    249,629.60x = 374,444.40 × 210,117.80
  4. Step 4: Simplify right side
    249,629.60x = 78,677,433,550.32
  5. Step 5: Solve for x
    x = 78,677,433,550.32/249,629.60
  6. Step 6: Final answer
    x = 315,176.70

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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.