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Finding the Fourth Proportional to 663,666.58, 995,503.83 and 165,030.58

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Solution

The fourth proportional to 663,666.58, 995,503.83 and 165,030.58 is: 247,546.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,666.58 : 995,503.83 = 165,030.58 : x
  2. Step 2: Convert to fraction form
    663,666.58/995,503.83 = 165,030.58/x
  3. Step 3: Cross multiply
    663,666.58x = 995,503.83 × 165,030.58
  4. Step 4: Simplify right side
    663,666.58x = 164,288,574,457.12
  5. Step 5: Solve for x
    x = 164,288,574,457.12/663,666.58
  6. Step 6: Final answer
    x = 247,546.85

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1.5x scale

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.