Home / 356,981.54-535,522.40-104,280.58

Finding the Fourth Proportional to 356,981.54, 535,522.40 and 104,280.58

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Solution

The fourth proportional to 356,981.54, 535,522.40 and 104,280.58 is: 156,435.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,981.54 : 535,522.40 = 104,280.58 : x
  2. Step 2: Convert to fraction form
    356,981.54/535,522.40 = 104,280.58/x
  3. Step 3: Cross multiply
    356,981.54x = 535,522.40 × 104,280.58
  4. Step 4: Simplify right side
    356,981.54x = 55,844,583,275.98
  5. Step 5: Solve for x
    x = 55,844,583,275.98/356,981.54
  6. Step 6: Final answer
    x = 156,435.49

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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.