Home / 450,319.08-621,338.59-268,995.52

Finding the Fourth Proportional to 450,319.08, 621,338.59 and 268,995.52

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Solution

The fourth proportional to 450,319.08, 621,338.59 and 268,995.52 is: 371,153.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,319.08 : 621,338.59 = 268,995.52 : x
  2. Step 2: Convert to fraction form
    450,319.08/621,338.59 = 268,995.52/x
  3. Step 3: Cross multiply
    450,319.08x = 621,338.59 × 268,995.52
  4. Step 4: Simplify right side
    450,319.08x = 167,137,294,887.28
  5. Step 5: Solve for x
    x = 167,137,294,887.28/450,319.08
  6. Step 6: Final answer
    x = 371,153.04

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1.5x scale

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.