Home / 249,628.40-374,442.60-143,340.20

Finding the Fourth Proportional to 249,628.40, 374,442.60 and 143,340.20

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Solution

The fourth proportional to 249,628.40, 374,442.60 and 143,340.20 is: 215,010.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,628.40 : 374,442.60 = 143,340.20 : x
  2. Step 2: Convert to fraction form
    249,628.40/374,442.60 = 143,340.20/x
  3. Step 3: Cross multiply
    249,628.40x = 374,442.60 × 143,340.20
  4. Step 4: Simplify right side
    249,628.40x = 53,672,677,172.52
  5. Step 5: Solve for x
    x = 53,672,677,172.52/249,628.40
  6. Step 6: Final answer
    x = 215,010.30

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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.