Home / 447,421.22-617,441.38-246,217.22

Finding the Fourth Proportional to 447,421.22, 617,441.38 and 246,217.22

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Solution

The fourth proportional to 447,421.22, 617,441.38 and 246,217.22 is: 339,779.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,421.22 : 617,441.38 = 246,217.22 : x
  2. Step 2: Convert to fraction form
    447,421.22/617,441.38 = 246,217.22/x
  3. Step 3: Cross multiply
    447,421.22x = 617,441.38 × 246,217.22
  4. Step 4: Simplify right side
    447,421.22x = 152,024,700,094.19
  5. Step 5: Solve for x
    x = 152,024,700,094.19/447,421.22
  6. Step 6: Final answer
    x = 339,779.82

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1.5x scale

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.