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Finding the Fourth Proportional to 214,000.63, 321,000.19 and 64,240.31

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Solution

The fourth proportional to 214,000.63, 321,000.19 and 64,240.31 is: 96,360.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,000.63 : 321,000.19 = 64,240.31 : x
  2. Step 2: Convert to fraction form
    214,000.63/321,000.19 = 64,240.31/x
  3. Step 3: Cross multiply
    214,000.63x = 321,000.19 × 64,240.31
  4. Step 4: Simplify right side
    214,000.63x = 20,621,151,715.66
  5. Step 5: Solve for x
    x = 20,621,151,715.66/214,000.63
  6. Step 6: Final answer
    x = 96,360.24

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1.5x scale

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.