Home / 268,421.36-370,420.42-147,570.28

Finding the Fourth Proportional to 268,421.36, 370,420.42 and 147,570.28

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Solution

The fourth proportional to 268,421.36, 370,420.42 and 147,570.28 is: 203,646.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,421.36 : 370,420.42 = 147,570.28 : x
  2. Step 2: Convert to fraction form
    268,421.36/370,420.42 = 147,570.28/x
  3. Step 3: Cross multiply
    268,421.36x = 370,420.42 × 147,570.28
  4. Step 4: Simplify right side
    268,421.36x = 54,663,045,097.12
  5. Step 5: Solve for x
    x = 54,663,045,097.12/268,421.36
  6. Step 6: Final answer
    x = 203,646.41

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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.