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Finding the Fourth Proportional to 456,950.72, 630,611.70 and 253,001.63

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Solution

The fourth proportional to 456,950.72, 630,611.70 and 253,001.63 is: 349,153.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,950.72 : 630,611.70 = 253,001.63 : x
  2. Step 2: Convert to fraction form
    456,950.72/630,611.70 = 253,001.63/x
  3. Step 3: Cross multiply
    456,950.72x = 630,611.70 × 253,001.63
  4. Step 4: Simplify right side
    456,950.72x = 159,545,789,573.60
  5. Step 5: Solve for x
    x = 159,545,789,573.60/456,950.72
  6. Step 6: Final answer
    x = 349,153.16

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1.5x scale

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.