Home / 427,897.08-590,495.72-234,301.28

Finding the Fourth Proportional to 427,897.08, 590,495.72 and 234,301.28

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Solution

The fourth proportional to 427,897.08, 590,495.72 and 234,301.28 is: 323,334.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,897.08 : 590,495.72 = 234,301.28 : x
  2. Step 2: Convert to fraction form
    427,897.08/590,495.72 = 234,301.28/x
  3. Step 3: Cross multiply
    427,897.08x = 590,495.72 × 234,301.28
  4. Step 4: Simplify right side
    427,897.08x = 138,353,903,030.52
  5. Step 5: Solve for x
    x = 138,353,903,030.52/427,897.08
  6. Step 6: Final answer
    x = 323,334.53

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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.