Home / 340,284.02-510,387.12-90,985.46

Finding the Fourth Proportional to 340,284.02, 510,387.12 and 90,985.46

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Solution

The fourth proportional to 340,284.02, 510,387.12 and 90,985.46 is: 136,467.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,284.02 : 510,387.12 = 90,985.46 : x
  2. Step 2: Convert to fraction form
    340,284.02/510,387.12 = 90,985.46/x
  3. Step 3: Cross multiply
    340,284.02x = 510,387.12 × 90,985.46
  4. Step 4: Simplify right side
    340,284.02x = 46,437,806,891.28
  5. Step 5: Solve for x
    x = 46,437,806,891.28/340,284.02
  6. Step 6: Final answer
    x = 136,467.79

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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.