Home / 296,970.50-445,244.13-139,112.84

Finding the Fourth Proportional to 296,970.50, 445,244.13 and 139,112.84

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Solution

The fourth proportional to 296,970.50, 445,244.13 and 139,112.84 is: 208,570.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,970.50 : 445,244.13 = 139,112.84 : x
  2. Step 2: Convert to fraction form
    296,970.50/445,244.13 = 139,112.84/x
  3. Step 3: Cross multiply
    296,970.50x = 445,244.13 × 139,112.84
  4. Step 4: Simplify right side
    296,970.50x = 61,939,175,417.63
  5. Step 5: Solve for x
    x = 61,939,175,417.63/296,970.50
  6. Step 6: Final answer
    x = 208,570.13

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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.