Home / 268,445.81-370,455.45-147,589.16

Finding the Fourth Proportional to 268,445.81, 370,455.45 and 147,589.16

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Solution

The fourth proportional to 268,445.81, 370,455.45 and 147,589.16 is: 203,673.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,445.81 : 370,455.45 = 147,589.16 : x
  2. Step 2: Convert to fraction form
    268,445.81/370,455.45 = 147,589.16/x
  3. Step 3: Cross multiply
    268,445.81x = 370,455.45 × 147,589.16
  4. Step 4: Simplify right side
    268,445.81x = 54,675,208,682.92
  5. Step 5: Solve for x
    x = 54,675,208,682.92/268,445.81
  6. Step 6: Final answer
    x = 203,673.17

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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.