Home / 285,331.17-393,742.77-164,465.13

Finding the Fourth Proportional to 285,331.17, 393,742.77 and 164,465.13

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Solution

The fourth proportional to 285,331.17, 393,742.77 and 164,465.13 is: 226,953.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,331.17 : 393,742.77 = 164,465.13 : x
  2. Step 2: Convert to fraction form
    285,331.17/393,742.77 = 164,465.13/x
  3. Step 3: Cross multiply
    285,331.17x = 393,742.77 × 164,465.13
  4. Step 4: Simplify right side
    285,331.17x = 64,756,955,854.61
  5. Step 5: Solve for x
    x = 64,756,955,854.61/285,331.17
  6. Step 6: Final answer
    x = 226,953.67

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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.