Home / 212,815.01-319,225.67-63,070.49

Finding the Fourth Proportional to 212,815.01, 319,225.67 and 63,070.49

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Solution

The fourth proportional to 212,815.01, 319,225.67 and 63,070.49 is: 94,606.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,815.01 : 319,225.67 = 63,070.49 : x
  2. Step 2: Convert to fraction form
    212,815.01/319,225.67 = 63,070.49/x
  3. Step 3: Cross multiply
    212,815.01x = 319,225.67 × 63,070.49
  4. Step 4: Simplify right side
    212,815.01x = 20,133,719,427.48
  5. Step 5: Solve for x
    x = 20,133,719,427.48/212,815.01
  6. Step 6: Final answer
    x = 94,606.67

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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.