Home / 545,249.50-817,948.77-190,210.30

Finding the Fourth Proportional to 545,249.50, 817,948.77 and 190,210.30

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Solution

The fourth proportional to 545,249.50, 817,948.77 and 190,210.30 is: 285,341.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,249.50 : 817,948.77 = 190,210.30 : x
  2. Step 2: Convert to fraction form
    545,249.50/817,948.77 = 190,210.30/x
  3. Step 3: Cross multiply
    545,249.50x = 817,948.77 × 190,210.30
  4. Step 4: Simplify right side
    545,249.50x = 155,582,280,926.33
  5. Step 5: Solve for x
    x = 155,582,280,926.33/545,249.50
  6. Step 6: Final answer
    x = 285,341.45

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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.