Home / 403,025.65-604,612.28-166,239.16

Finding the Fourth Proportional to 403,025.65, 604,612.28 and 166,239.16

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Solution

The fourth proportional to 403,025.65, 604,612.28 and 166,239.16 is: 249,389.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,025.65 : 604,612.28 = 166,239.16 : x
  2. Step 2: Convert to fraction form
    403,025.65/604,612.28 = 166,239.16/x
  3. Step 3: Cross multiply
    403,025.65x = 604,612.28 × 166,239.16
  4. Step 4: Simplify right side
    403,025.65x = 100,510,237,552.89
  5. Step 5: Solve for x
    x = 100,510,237,552.89/403,025.65
  6. Step 6: Final answer
    x = 249,389.18

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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.