Home / 254,436.10-382,030.80-142,340.20

Finding the Fourth Proportional to 254,436.10, 382,030.80 and 142,340.20

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Solution

The fourth proportional to 254,436.10, 382,030.80 and 142,340.20 is: 213,721.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,436.10 : 382,030.80 = 142,340.20 : x
  2. Step 2: Convert to fraction form
    254,436.10/382,030.80 = 142,340.20/x
  3. Step 3: Cross multiply
    254,436.10x = 382,030.80 × 142,340.20
  4. Step 4: Simplify right side
    254,436.10x = 54,378,340,478.16
  5. Step 5: Solve for x
    x = 54,378,340,478.16/254,436.10
  6. Step 6: Final answer
    x = 213,721.01

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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.