Home / 557,045.36-835,487.88-178,009.28

Finding the Fourth Proportional to 557,045.36, 835,487.88 and 178,009.28

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Solution

The fourth proportional to 557,045.36, 835,487.88 and 178,009.28 is: 266,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,045.36 : 835,487.88 = 178,009.28 : x
  2. Step 2: Convert to fraction form
    557,045.36/835,487.88 = 178,009.28/x
  3. Step 3: Cross multiply
    557,045.36x = 835,487.88 × 178,009.28
  4. Step 4: Simplify right side
    557,045.36x = 148,724,595,967.53
  5. Step 5: Solve for x
    x = 148,724,595,967.53/557,045.36
  6. Step 6: Final answer
    x = 266,988.30

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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.