Home / 268,688.40-370,843.02-154,044.06

Finding the Fourth Proportional to 268,688.40, 370,843.02 and 154,044.06

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Solution

The fourth proportional to 268,688.40, 370,843.02 and 154,044.06 is: 212,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,688.40 : 370,843.02 = 154,044.06 : x
  2. Step 2: Convert to fraction form
    268,688.40/370,843.02 = 154,044.06/x
  3. Step 3: Cross multiply
    268,688.40x = 370,843.02 × 154,044.06
  4. Step 4: Simplify right side
    268,688.40x = 57,126,164,423.46
  5. Step 5: Solve for x
    x = 57,126,164,423.46/268,688.40
  6. Step 6: Final answer
    x = 212,611.20

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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.