Home / 449,044.22-619,681.02-306,054.06

Finding the Fourth Proportional to 449,044.22, 619,681.02 and 306,054.06

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Solution

The fourth proportional to 449,044.22, 619,681.02 and 306,054.06 is: 422,354.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,044.22 : 619,681.02 = 306,054.06 : x
  2. Step 2: Convert to fraction form
    449,044.22/619,681.02 = 306,054.06/x
  3. Step 3: Cross multiply
    449,044.22x = 619,681.02 × 306,054.06
  4. Step 4: Simplify right side
    449,044.22x = 189,655,892,075.94
  5. Step 5: Solve for x
    x = 189,655,892,075.94/449,044.22
  6. Step 6: Final answer
    x = 422,354.60

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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.