Home / 282,097.36-389,287.32-157,916.62

Finding the Fourth Proportional to 282,097.36, 389,287.32 and 157,916.62

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Solution

The fourth proportional to 282,097.36, 389,287.32 and 157,916.62 is: 217,921.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,097.36 : 389,287.32 = 157,916.62 : x
  2. Step 2: Convert to fraction form
    282,097.36/389,287.32 = 157,916.62/x
  3. Step 3: Cross multiply
    282,097.36x = 389,287.32 × 157,916.62
  4. Step 4: Simplify right side
    282,097.36x = 61,474,937,783.26
  5. Step 5: Solve for x
    x = 61,474,937,783.26/282,097.36
  6. Step 6: Final answer
    x = 217,921.00

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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.