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Finding the Fourth Proportional to 499,762.41, 749,643.02 and 162,802.51

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Solution

The fourth proportional to 499,762.41, 749,643.02 and 162,802.51 is: 244,203.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,762.41 : 749,643.02 = 162,802.51 : x
  2. Step 2: Convert to fraction form
    499,762.41/749,643.02 = 162,802.51/x
  3. Step 3: Cross multiply
    499,762.41x = 749,643.02 × 162,802.51
  4. Step 4: Simplify right side
    499,762.41x = 122,043,761,511.77
  5. Step 5: Solve for x
    x = 122,043,761,511.77/499,762.41
  6. Step 6: Final answer
    x = 244,203.57

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Why These Related Problems?

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