Home / 406,022.02-609,018.99-106,500.22

Finding the Fourth Proportional to 406,022.02, 609,018.99 and 106,500.22

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Solution

The fourth proportional to 406,022.02, 609,018.99 and 106,500.22 is: 159,746.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,022.02 : 609,018.99 = 106,500.22 : x
  2. Step 2: Convert to fraction form
    406,022.02/609,018.99 = 106,500.22/x
  3. Step 3: Cross multiply
    406,022.02x = 609,018.99 × 106,500.22
  4. Step 4: Simplify right side
    406,022.02x = 64,860,656,419.18
  5. Step 5: Solve for x
    x = 64,860,656,419.18/406,022.02
  6. Step 6: Final answer
    x = 159,746.65

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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.