Home / 447,219.09-617,055.57-302,295.11

Finding the Fourth Proportional to 447,219.09, 617,055.57 and 302,295.11

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Solution

The fourth proportional to 447,219.09, 617,055.57 and 302,295.11 is: 417,095.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,219.09 : 617,055.57 = 302,295.11 : x
  2. Step 2: Convert to fraction form
    447,219.09/617,055.57 = 302,295.11/x
  3. Step 3: Cross multiply
    447,219.09x = 617,055.57 × 302,295.11
  4. Step 4: Simplify right side
    447,219.09x = 186,532,878,323.99
  5. Step 5: Solve for x
    x = 186,532,878,323.99/447,219.09
  6. Step 6: Final answer
    x = 417,095.07

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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.