Home / 369,579.47-510,037.02-208,431.18

Finding the Fourth Proportional to 369,579.47, 510,037.02 and 208,431.18

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Solution

The fourth proportional to 369,579.47, 510,037.02 and 208,431.18 is: 287,644.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,579.47 : 510,037.02 = 208,431.18 : x
  2. Step 2: Convert to fraction form
    369,579.47/510,037.02 = 208,431.18/x
  3. Step 3: Cross multiply
    369,579.47x = 510,037.02 × 208,431.18
  4. Step 4: Simplify right side
    369,579.47x = 106,307,617,922.28
  5. Step 5: Solve for x
    x = 106,307,617,922.28/369,579.47
  6. Step 6: Final answer
    x = 287,644.82

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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.