Home / 296,870.40-445,136.88-116,858.25

Finding the Fourth Proportional to 296,870.40, 445,136.88 and 116,858.25

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Solution

The fourth proportional to 296,870.40, 445,136.88 and 116,858.25 is: 175,220.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,870.40 : 445,136.88 = 116,858.25 : x
  2. Step 2: Convert to fraction form
    296,870.40/445,136.88 = 116,858.25/x
  3. Step 3: Cross multiply
    296,870.40x = 445,136.88 × 116,858.25
  4. Step 4: Simplify right side
    296,870.40x = 52,017,916,807.26
  5. Step 5: Solve for x
    x = 52,017,916,807.26/296,870.40
  6. Step 6: Final answer
    x = 175,220.96

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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.