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Finding the Fourth Proportional to 285,303.68, 427,867.68 and 107,894.24

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Solution

The fourth proportional to 285,303.68, 427,867.68 and 107,894.24 is: 161,808.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,303.68 : 427,867.68 = 107,894.24 : x
  2. Step 2: Convert to fraction form
    285,303.68/427,867.68 = 107,894.24/x
  3. Step 3: Cross multiply
    285,303.68x = 427,867.68 × 107,894.24
  4. Step 4: Simplify right side
    285,303.68x = 46,164,458,154.16
  5. Step 5: Solve for x
    x = 46,164,458,154.16/285,303.68
  6. Step 6: Final answer
    x = 161,808.14

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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.