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Finding the Fourth Proportional to 301,686.98, 452,628.77 and 143,894.90

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Solution

The fourth proportional to 301,686.98, 452,628.77 and 143,894.90 is: 215,889.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,686.98 : 452,628.77 = 143,894.90 : x
  2. Step 2: Convert to fraction form
    301,686.98/452,628.77 = 143,894.90/x
  3. Step 3: Cross multiply
    301,686.98x = 452,628.77 × 143,894.90
  4. Step 4: Simplify right side
    301,686.98x = 65,130,971,596.27
  5. Step 5: Solve for x
    x = 65,130,971,596.27/301,686.98
  6. Step 6: Final answer
    x = 215,889.24

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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.