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Finding the Fourth Proportional to 456,802.59, 630,242.66 and 265,779.08

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Solution

The fourth proportional to 456,802.59, 630,242.66 and 265,779.08 is: 366,690.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,802.59 : 630,242.66 = 265,779.08 : x
  2. Step 2: Convert to fraction form
    456,802.59/630,242.66 = 265,779.08/x
  3. Step 3: Cross multiply
    456,802.59x = 630,242.66 × 265,779.08
  4. Step 4: Simplify right side
    456,802.59x = 167,505,314,351.55
  5. Step 5: Solve for x
    x = 167,505,314,351.55/456,802.59
  6. Step 6: Final answer
    x = 366,690.82

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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.