Home / 291,784.89-402,666.23-164,460.49

Finding the Fourth Proportional to 291,784.89, 402,666.23 and 164,460.49

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Solution

The fourth proportional to 291,784.89, 402,666.23 and 164,460.49 is: 226,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,784.89 : 402,666.23 = 164,460.49 : x
  2. Step 2: Convert to fraction form
    291,784.89/402,666.23 = 164,460.49/x
  3. Step 3: Cross multiply
    291,784.89x = 402,666.23 × 164,460.49
  4. Step 4: Simplify right side
    291,784.89x = 66,222,683,663.28
  5. Step 5: Solve for x
    x = 66,222,683,663.28/291,784.89
  6. Step 6: Final answer
    x = 226,957.20

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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.