Home / 387,144.81-579,782.79-232,827.02

Finding the Fourth Proportional to 387,144.81, 579,782.79 and 232,827.02

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Solution

The fourth proportional to 387,144.81, 579,782.79 and 232,827.02 is: 348,678.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,144.81 : 579,782.79 = 232,827.02 : x
  2. Step 2: Convert to fraction form
    387,144.81/579,782.79 = 232,827.02/x
  3. Step 3: Cross multiply
    387,144.81x = 579,782.79 × 232,827.02
  4. Step 4: Simplify right side
    387,144.81x = 134,989,096,344.07
  5. Step 5: Solve for x
    x = 134,989,096,344.07/387,144.81
  6. Step 6: Final answer
    x = 348,678.56

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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.