Home / 212,652.52-318,967.26-64,897

Finding the Fourth Proportional to 212,652.52, 318,967.26 and 64,897

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Solution

The fourth proportional to 212,652.52, 318,967.26 and 64,897 is: 97,341.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,652.52 : 318,967.26 = 64,897 : x
  2. Step 2: Convert to fraction form
    212,652.52/318,967.26 = 64,897/x
  3. Step 3: Cross multiply
    212,652.52x = 318,967.26 × 64,897
  4. Step 4: Simplify right side
    212,652.52x = 20,700,018,272.22
  5. Step 5: Solve for x
    x = 20,700,018,272.22/212,652.52
  6. Step 6: Final answer
    x = 97,341.98

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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.