Home / 457,214.64-630,681.24-302,166.96

Finding the Fourth Proportional to 457,214.64, 630,681.24 and 302,166.96

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Solution

The fourth proportional to 457,214.64, 630,681.24 and 302,166.96 is: 416,808.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,214.64 : 630,681.24 = 302,166.96 : x
  2. Step 2: Convert to fraction form
    457,214.64/630,681.24 = 302,166.96/x
  3. Step 3: Cross multiply
    457,214.64x = 630,681.24 × 302,166.96
  4. Step 4: Simplify right side
    457,214.64x = 190,571,033,019.83
  5. Step 5: Solve for x
    x = 190,571,033,019.83/457,214.64
  6. Step 6: Final answer
    x = 416,808.69

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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.