Home / 249,225.12-343,890.12-147,236.40

Finding the Fourth Proportional to 249,225.12, 343,890.12 and 147,236.40

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Solution

The fourth proportional to 249,225.12, 343,890.12 and 147,236.40 is: 203,162.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,225.12 : 343,890.12 = 147,236.40 : x
  2. Step 2: Convert to fraction form
    249,225.12/343,890.12 = 147,236.40/x
  3. Step 3: Cross multiply
    249,225.12x = 343,890.12 × 147,236.40
  4. Step 4: Simplify right side
    249,225.12x = 50,633,143,264.37
  5. Step 5: Solve for x
    x = 50,633,143,264.37/249,225.12
  6. Step 6: Final answer
    x = 203,162.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.