Home / 369,075.51-509,321.89-207,982.30

Finding the Fourth Proportional to 369,075.51, 509,321.89 and 207,982.30

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Solution

The fourth proportional to 369,075.51, 509,321.89 and 207,982.30 is: 287,014.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,075.51 : 509,321.89 = 207,982.30 : x
  2. Step 2: Convert to fraction form
    369,075.51/509,321.89 = 207,982.30/x
  3. Step 3: Cross multiply
    369,075.51x = 509,321.89 × 207,982.30
  4. Step 4: Simplify right side
    369,075.51x = 105,929,938,122.55
  5. Step 5: Solve for x
    x = 105,929,938,122.55/369,075.51
  6. Step 6: Final answer
    x = 287,014.27

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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.