Home / 807,150.86-1,210,795.90-208,106.96

Finding the Fourth Proportional to 807,150.86, 1,210,795.90 and 208,106.96

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Solution

The fourth proportional to 807,150.86, 1,210,795.90 and 208,106.96 is: 312,178.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,150.86 : 1,210,795.90 = 208,106.96 : x
  2. Step 2: Convert to fraction form
    807,150.86/1,210,795.90 = 208,106.96/x
  3. Step 3: Cross multiply
    807,150.86x = 1,210,795.90 × 208,106.96
  4. Step 4: Simplify right side
    807,150.86x = 251,975,047,355.22
  5. Step 5: Solve for x
    x = 251,975,047,355.22/807,150.86
  6. Step 6: Final answer
    x = 312,178.38

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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.