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Finding the Fourth Proportional to 295,555.30, 443,390.55 and 127,075.30

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Solution

The fourth proportional to 295,555.30, 443,390.55 and 127,075.30 is: 190,637.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,555.30 : 443,390.55 = 127,075.30 : x
  2. Step 2: Convert to fraction form
    295,555.30/443,390.55 = 127,075.30/x
  3. Step 3: Cross multiply
    295,555.30x = 443,390.55 × 127,075.30
  4. Step 4: Simplify right side
    295,555.30x = 56,343,987,158.42
  5. Step 5: Solve for x
    x = 56,343,987,158.42/295,555.30
  6. Step 6: Final answer
    x = 190,637.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.