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Finding the Fourth Proportional to 309,075.39, 463,679.68 and 95,839.01

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Solution

The fourth proportional to 309,075.39, 463,679.68 and 95,839.01 is: 143,779.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,075.39 : 463,679.68 = 95,839.01 : x
  2. Step 2: Convert to fraction form
    309,075.39/463,679.68 = 95,839.01/x
  3. Step 3: Cross multiply
    309,075.39x = 463,679.68 × 95,839.01
  4. Step 4: Simplify right side
    309,075.39x = 44,438,601,488.32
  5. Step 5: Solve for x
    x = 44,438,601,488.32/309,075.39
  6. Step 6: Final answer
    x = 143,779.16

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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.