Home / 429,678.36-592,936.02-238,703.40

Finding the Fourth Proportional to 429,678.36, 592,936.02 and 238,703.40

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Solution

The fourth proportional to 429,678.36, 592,936.02 and 238,703.40 is: 329,399.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,678.36 : 592,936.02 = 238,703.40 : x
  2. Step 2: Convert to fraction form
    429,678.36/592,936.02 = 238,703.40/x
  3. Step 3: Cross multiply
    429,678.36x = 592,936.02 × 238,703.40
  4. Step 4: Simplify right side
    429,678.36x = 141,535,843,956.47
  5. Step 5: Solve for x
    x = 141,535,843,956.47/429,678.36
  6. Step 6: Final answer
    x = 329,399.52

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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.