Home / 300,146.23-450,220.02-122,653.23

Finding the Fourth Proportional to 300,146.23, 450,220.02 and 122,653.23

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Solution

The fourth proportional to 300,146.23, 450,220.02 and 122,653.23 is: 183,980.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,146.23 : 450,220.02 = 122,653.23 : x
  2. Step 2: Convert to fraction form
    300,146.23/450,220.02 = 122,653.23/x
  3. Step 3: Cross multiply
    300,146.23x = 450,220.02 × 122,653.23
  4. Step 4: Simplify right side
    300,146.23x = 55,220,939,663.66
  5. Step 5: Solve for x
    x = 55,220,939,663.66/300,146.23
  6. Step 6: Final answer
    x = 183,980.12

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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.