Home / 284,035.49-391,981.48-163,214.67

Finding the Fourth Proportional to 284,035.49, 391,981.48 and 163,214.67

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Solution

The fourth proportional to 284,035.49, 391,981.48 and 163,214.67 is: 225,243.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,035.49 : 391,981.48 = 163,214.67 : x
  2. Step 2: Convert to fraction form
    284,035.49/391,981.48 = 163,214.67/x
  3. Step 3: Cross multiply
    284,035.49x = 391,981.48 × 163,214.67
  4. Step 4: Simplify right side
    284,035.49x = 63,977,127,863.76
  5. Step 5: Solve for x
    x = 63,977,127,863.76/284,035.49
  6. Step 6: Final answer
    x = 225,243.43

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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.