Home / 483,275.18-666,901.22-268,428.96

Finding the Fourth Proportional to 483,275.18, 666,901.22 and 268,428.96

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Solution

The fourth proportional to 483,275.18, 666,901.22 and 268,428.96 is: 370,421.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,275.18 : 666,901.22 = 268,428.96 : x
  2. Step 2: Convert to fraction form
    483,275.18/666,901.22 = 268,428.96/x
  3. Step 3: Cross multiply
    483,275.18x = 666,901.22 × 268,428.96
  4. Step 4: Simplify right side
    483,275.18x = 179,015,599,565.19
  5. Step 5: Solve for x
    x = 179,015,599,565.19/483,275.18
  6. Step 6: Final answer
    x = 370,421.67

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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.