Home / 249,719.40-374,579.10-245,572.20

Finding the Fourth Proportional to 249,719.40, 374,579.10 and 245,572.20

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Solution

The fourth proportional to 249,719.40, 374,579.10 and 245,572.20 is: 368,358.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,719.40 : 374,579.10 = 245,572.20 : x
  2. Step 2: Convert to fraction form
    249,719.40/374,579.10 = 245,572.20/x
  3. Step 3: Cross multiply
    249,719.40x = 374,579.10 × 245,572.20
  4. Step 4: Simplify right side
    249,719.40x = 91,986,213,661.02
  5. Step 5: Solve for x
    x = 91,986,213,661.02/249,719.40
  6. Step 6: Final answer
    x = 368,358.30

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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.