Home / 282,792.89-390,256.73-153,731.61

Finding the Fourth Proportional to 282,792.89, 390,256.73 and 153,731.61

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Solution

The fourth proportional to 282,792.89, 390,256.73 and 153,731.61 is: 212,151.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,792.89 : 390,256.73 = 153,731.61 : x
  2. Step 2: Convert to fraction form
    282,792.89/390,256.73 = 153,731.61/x
  3. Step 3: Cross multiply
    282,792.89x = 390,256.73 × 153,731.61
  4. Step 4: Simplify right side
    282,792.89x = 59,994,795,135.40
  5. Step 5: Solve for x
    x = 59,994,795,135.40/282,792.89
  6. Step 6: Final answer
    x = 212,151.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.