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Finding the Fourth Proportional to 216,923.08, 299,199.54 and 199,075.72

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Solution

The fourth proportional to 216,923.08, 299,199.54 and 199,075.72 is: 274,582.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,923.08 : 299,199.54 = 199,075.72 : x
  2. Step 2: Convert to fraction form
    216,923.08/299,199.54 = 199,075.72/x
  3. Step 3: Cross multiply
    216,923.08x = 299,199.54 × 199,075.72
  4. Step 4: Simplify right side
    216,923.08x = 59,563,363,849.17
  5. Step 5: Solve for x
    x = 59,563,363,849.17/216,923.08
  6. Step 6: Final answer
    x = 274,582.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.