Home / 830,156.45-1,245,110.74-231,055.13

Finding the Fourth Proportional to 830,156.45, 1,245,110.74 and 231,055.13

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Solution

The fourth proportional to 830,156.45, 1,245,110.74 and 231,055.13 is: 346,548.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,156.45 : 1,245,110.74 = 231,055.13 : x
  2. Step 2: Convert to fraction form
    830,156.45/1,245,110.74 = 231,055.13/x
  3. Step 3: Cross multiply
    830,156.45x = 1,245,110.74 × 231,055.13
  4. Step 4: Simplify right side
    830,156.45x = 287,689,226,430.24
  5. Step 5: Solve for x
    x = 287,689,226,430.24/830,156.45
  6. Step 6: Final answer
    x = 346,548.21

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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.