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Finding the Fourth Proportional to 292,900.02, 439,350.04 and 105,867.78

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Solution

The fourth proportional to 292,900.02, 439,350.04 and 105,867.78 is: 158,801.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,900.02 : 439,350.04 = 105,867.78 : x
  2. Step 2: Convert to fraction form
    292,900.02/439,350.04 = 105,867.78/x
  3. Step 3: Cross multiply
    292,900.02x = 439,350.04 × 105,867.78
  4. Step 4: Simplify right side
    292,900.02x = 46,513,013,377.71
  5. Step 5: Solve for x
    x = 46,513,013,377.71/292,900.02
  6. Step 6: Final answer
    x = 158,801.67

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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.