Home / 245,875.20-368,812.80-243,542.40

Finding the Fourth Proportional to 245,875.20, 368,812.80 and 243,542.40

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Solution

The fourth proportional to 245,875.20, 368,812.80 and 243,542.40 is: 365,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,875.20 : 368,812.80 = 243,542.40 : x
  2. Step 2: Convert to fraction form
    245,875.20/368,812.80 = 243,542.40/x
  3. Step 3: Cross multiply
    245,875.20x = 368,812.80 × 243,542.40
  4. Step 4: Simplify right side
    245,875.20x = 89,821,554,462.72
  5. Step 5: Solve for x
    x = 89,821,554,462.72/245,875.20
  6. Step 6: Final answer
    x = 365,313.60

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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.