Home / 205,823.85-308,130.98-153,465.45

Finding the Fourth Proportional to 205,823.85, 308,130.98 and 153,465.45

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Solution

The fourth proportional to 205,823.85, 308,130.98 and 153,465.45 is: 229,747.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,823.85 : 308,130.98 = 153,465.45 : x
  2. Step 2: Convert to fraction form
    205,823.85/308,130.98 = 153,465.45/x
  3. Step 3: Cross multiply
    205,823.85x = 308,130.98 × 153,465.45
  4. Step 4: Simplify right side
    205,823.85x = 47,287,458,737.31
  5. Step 5: Solve for x
    x = 47,287,458,737.31/205,823.85
  6. Step 6: Final answer
    x = 229,747.23

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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.