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Finding the Fourth Proportional to 453,075, 679,187.79 and 153,345.84

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Solution

The fourth proportional to 453,075, 679,187.79 and 153,345.84 is: 229,875.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,075 : 679,187.79 = 153,345.84 : x
  2. Step 2: Convert to fraction form
    453,075/679,187.79 = 153,345.84/x
  3. Step 3: Cross multiply
    453,075x = 679,187.79 × 153,345.84
  4. Step 4: Simplify right side
    453,075x = 104,150,622,175.29
  5. Step 5: Solve for x
    x = 104,150,622,175.29/453,075
  6. Step 6: Final answer
    x = 229,875.01

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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.