Home / 360,248.22-497,172.87-209,335.50

Finding the Fourth Proportional to 360,248.22, 497,172.87 and 209,335.50

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Solution

The fourth proportional to 360,248.22, 497,172.87 and 209,335.50 is: 288,900.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,248.22 : 497,172.87 = 209,335.50 : x
  2. Step 2: Convert to fraction form
    360,248.22/497,172.87 = 209,335.50/x
  3. Step 3: Cross multiply
    360,248.22x = 497,172.87 × 209,335.50
  4. Step 4: Simplify right side
    360,248.22x = 104,075,931,327.89
  5. Step 5: Solve for x
    x = 104,075,931,327.89/360,248.22
  6. Step 6: Final answer
    x = 288,900.61

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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.