Home / 403,130.80-604,696.20-268,411.60

Finding the Fourth Proportional to 403,130.80, 604,696.20 and 268,411.60

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Solution

The fourth proportional to 403,130.80, 604,696.20 and 268,411.60 is: 402,617.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,130.80 : 604,696.20 = 268,411.60 : x
  2. Step 2: Convert to fraction form
    403,130.80/604,696.20 = 268,411.60/x
  3. Step 3: Cross multiply
    403,130.80x = 604,696.20 × 268,411.60
  4. Step 4: Simplify right side
    403,130.80x = 162,307,474,555.92
  5. Step 5: Solve for x
    x = 162,307,474,555.92/403,130.80
  6. Step 6: Final answer
    x = 402,617.40

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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.