Home / 450,173.69-621,192.28-268,860.45

Finding the Fourth Proportional to 450,173.69, 621,192.28 and 268,860.45

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Solution

The fourth proportional to 450,173.69, 621,192.28 and 268,860.45 is: 370,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,173.69 : 621,192.28 = 268,860.45 : x
  2. Step 2: Convert to fraction form
    450,173.69/621,192.28 = 268,860.45/x
  3. Step 3: Cross multiply
    450,173.69x = 621,192.28 × 268,860.45
  4. Step 4: Simplify right side
    450,173.69x = 167,014,035,937.33
  5. Step 5: Solve for x
    x = 167,014,035,937.33/450,173.69
  6. Step 6: Final answer
    x = 370,999.10

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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.