Home / 294,547.12-441,811.85-81,328.07

Finding the Fourth Proportional to 294,547.12, 441,811.85 and 81,328.07

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Solution

The fourth proportional to 294,547.12, 441,811.85 and 81,328.07 is: 121,989.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,547.12 : 441,811.85 = 81,328.07 : x
  2. Step 2: Convert to fraction form
    294,547.12/441,811.85 = 81,328.07/x
  3. Step 3: Cross multiply
    294,547.12x = 441,811.85 × 81,328.07
  4. Step 4: Simplify right side
    294,547.12x = 35,931,705,063.63
  5. Step 5: Solve for x
    x = 35,931,705,063.63/294,547.12
  6. Step 6: Final answer
    x = 121,989.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.