Home / 249,465.37-374,192.76-80,985.46

Finding the Fourth Proportional to 249,465.37, 374,192.76 and 80,985.46

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Solution

The fourth proportional to 249,465.37, 374,192.76 and 80,985.46 is: 121,476.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,465.37 : 374,192.76 = 80,985.46 : x
  2. Step 2: Convert to fraction form
    249,465.37/374,192.76 = 80,985.46/x
  3. Step 3: Cross multiply
    249,465.37x = 374,192.76 × 80,985.46
  4. Step 4: Simplify right side
    249,465.37x = 30,304,172,797.27
  5. Step 5: Solve for x
    x = 30,304,172,797.27/249,465.37
  6. Step 6: Final answer
    x = 121,476.47

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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.