Home / 209,948.60-314,922.90-202,075.40

Finding the Fourth Proportional to 209,948.60, 314,922.90 and 202,075.40

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Solution

The fourth proportional to 209,948.60, 314,922.90 and 202,075.40 is: 303,113.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,948.60 : 314,922.90 = 202,075.40 : x
  2. Step 2: Convert to fraction form
    209,948.60/314,922.90 = 202,075.40/x
  3. Step 3: Cross multiply
    209,948.60x = 314,922.90 × 202,075.40
  4. Step 4: Simplify right side
    209,948.60x = 63,638,170,986.66
  5. Step 5: Solve for x
    x = 63,638,170,986.66/209,948.60
  6. Step 6: Final answer
    x = 303,113.10

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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.