Home / 253,413.45-349,676.03-151,417.35

Finding the Fourth Proportional to 253,413.45, 349,676.03 and 151,417.35

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Solution

The fourth proportional to 253,413.45, 349,676.03 and 151,417.35 is: 208,935.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,413.45 : 349,676.03 = 151,417.35 : x
  2. Step 2: Convert to fraction form
    253,413.45/349,676.03 = 151,417.35/x
  3. Step 3: Cross multiply
    253,413.45x = 349,676.03 × 151,417.35
  4. Step 4: Simplify right side
    253,413.45x = 52,947,017,064.03
  5. Step 5: Solve for x
    x = 52,947,017,064.03/253,413.45
  6. Step 6: Final answer
    x = 208,935.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.