Home / 470,756.02-706,138.96-186,515.75

Finding the Fourth Proportional to 470,756.02, 706,138.96 and 186,515.75

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Solution

The fourth proportional to 470,756.02, 706,138.96 and 186,515.75 is: 279,775.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,756.02 : 706,138.96 = 186,515.75 : x
  2. Step 2: Convert to fraction form
    470,756.02/706,138.96 = 186,515.75/x
  3. Step 3: Cross multiply
    470,756.02x = 706,138.96 × 186,515.75
  4. Step 4: Simplify right side
    470,756.02x = 131,706,038,194.91
  5. Step 5: Solve for x
    x = 131,706,038,194.91/470,756.02
  6. Step 6: Final answer
    x = 279,775.58

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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.