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Finding the Fourth Proportional to 240,970.89, 360,881.77 and 139,554.66

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Solution

The fourth proportional to 240,970.89, 360,881.77 and 139,554.66 is: 208,999.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,970.89 : 360,881.77 = 139,554.66 : x
  2. Step 2: Convert to fraction form
    240,970.89/360,881.77 = 139,554.66/x
  3. Step 3: Cross multiply
    240,970.89x = 360,881.77 × 139,554.66
  4. Step 4: Simplify right side
    240,970.89x = 50,362,732,712.55
  5. Step 5: Solve for x
    x = 50,362,732,712.55/240,970.89
  6. Step 6: Final answer
    x = 208,999.24

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1.5x scale

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.