Home / 268,118.64-370,011.48-153,415.92

Finding the Fourth Proportional to 268,118.64, 370,011.48 and 153,415.92

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Solution

The fourth proportional to 268,118.64, 370,011.48 and 153,415.92 is: 211,718.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,118.64 : 370,011.48 = 153,415.92 : x
  2. Step 2: Convert to fraction form
    268,118.64/370,011.48 = 153,415.92/x
  3. Step 3: Cross multiply
    268,118.64x = 370,011.48 × 153,415.92
  4. Step 4: Simplify right side
    268,118.64x = 56,765,651,614.76
  5. Step 5: Solve for x
    x = 56,765,651,614.76/268,118.64
  6. Step 6: Final answer
    x = 211,718.41

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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.