Home / 290,224.64-400,488.02-162,875.63

Finding the Fourth Proportional to 290,224.64, 400,488.02 and 162,875.63

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Solution

The fourth proportional to 290,224.64, 400,488.02 and 162,875.63 is: 224,756.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,224.64 : 400,488.02 = 162,875.63 : x
  2. Step 2: Convert to fraction form
    290,224.64/400,488.02 = 162,875.63/x
  3. Step 3: Cross multiply
    290,224.64x = 400,488.02 × 162,875.63
  4. Step 4: Simplify right side
    290,224.64x = 65,229,738,564.95
  5. Step 5: Solve for x
    x = 65,229,738,564.95/290,224.64
  6. Step 6: Final answer
    x = 224,756.03

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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.