Home / 369,075.13-509,321.37-207,981.93

Finding the Fourth Proportional to 369,075.13, 509,321.37 and 207,981.93

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Solution

The fourth proportional to 369,075.13, 509,321.37 and 207,981.93 is: 287,013.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,075.13 : 509,321.37 = 207,981.93 : x
  2. Step 2: Convert to fraction form
    369,075.13/509,321.37 = 207,981.93/x
  3. Step 3: Cross multiply
    369,075.13x = 509,321.37 × 207,981.93
  4. Step 4: Simplify right side
    369,075.13x = 105,929,641,522.84
  5. Step 5: Solve for x
    x = 105,929,641,522.84/369,075.13
  6. Step 6: Final answer
    x = 287,013.76

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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.