Home / 268,140.36-370,036.71-147,284.46

Finding the Fourth Proportional to 268,140.36, 370,036.71 and 147,284.46

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Solution

The fourth proportional to 268,140.36, 370,036.71 and 147,284.46 is: 203,254.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,140.36 : 370,036.71 = 147,284.46 : x
  2. Step 2: Convert to fraction form
    268,140.36/370,036.71 = 147,284.46/x
  3. Step 3: Cross multiply
    268,140.36x = 370,036.71 × 147,284.46
  4. Step 4: Simplify right side
    268,140.36x = 54,500,657,012.53
  5. Step 5: Solve for x
    x = 54,500,657,012.53/268,140.36
  6. Step 6: Final answer
    x = 203,254.21

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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.