Home / 319,775.31-479,579.40-95,075.24

Finding the Fourth Proportional to 319,775.31, 479,579.40 and 95,075.24

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Solution

The fourth proportional to 319,775.31, 479,579.40 and 95,075.24 is: 142,588.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,775.31 : 479,579.40 = 95,075.24 : x
  2. Step 2: Convert to fraction form
    319,775.31/479,579.40 = 95,075.24/x
  3. Step 3: Cross multiply
    319,775.31x = 479,579.40 × 95,075.24
  4. Step 4: Simplify right side
    319,775.31x = 45,596,124,156.16
  5. Step 5: Solve for x
    x = 45,596,124,156.16/319,775.31
  6. Step 6: Final answer
    x = 142,588.01

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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.