Home / 251,224.02-346,688.64-138,046.50

Finding the Fourth Proportional to 251,224.02, 346,688.64 and 138,046.50

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Solution

The fourth proportional to 251,224.02, 346,688.64 and 138,046.50 is: 190,503.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,224.02 : 346,688.64 = 138,046.50 : x
  2. Step 2: Convert to fraction form
    251,224.02/346,688.64 = 138,046.50/x
  3. Step 3: Cross multiply
    251,224.02x = 346,688.64 × 138,046.50
  4. Step 4: Simplify right side
    251,224.02x = 47,859,153,341.76
  5. Step 5: Solve for x
    x = 47,859,153,341.76/251,224.02
  6. Step 6: Final answer
    x = 190,503.89

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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.