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Finding the Fourth Proportional to 317,008.93, 475,669.67 and 148,500.12

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Solution

The fourth proportional to 317,008.93, 475,669.67 and 148,500.12 is: 222,823.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,008.93 : 475,669.67 = 148,500.12 : x
  2. Step 2: Convert to fraction form
    317,008.93/475,669.67 = 148,500.12/x
  3. Step 3: Cross multiply
    317,008.93x = 475,669.67 × 148,500.12
  4. Step 4: Simplify right side
    317,008.93x = 70,637,003,075.36
  5. Step 5: Solve for x
    x = 70,637,003,075.36/317,008.93
  6. Step 6: Final answer
    x = 222,823.39

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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.