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Finding the Fourth Proportional to 216,104.81, 297,867.71 and 144,458.69

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Solution

The fourth proportional to 216,104.81, 297,867.71 and 144,458.69 is: 199,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,104.81 : 297,867.71 = 144,458.69 : x
  2. Step 2: Convert to fraction form
    216,104.81/297,867.71 = 144,458.69/x
  3. Step 3: Cross multiply
    216,104.81x = 297,867.71 × 144,458.69
  4. Step 4: Simplify right side
    216,104.81x = 43,029,578,051.71
  5. Step 5: Solve for x
    x = 43,029,578,051.71/216,104.81
  6. Step 6: Final answer
    x = 199,114.40

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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.