Home / 447,220.09-617,056.95-302,296.11

Finding the Fourth Proportional to 447,220.09, 617,056.95 and 302,296.11

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Solution

The fourth proportional to 447,220.09, 617,056.95 and 302,296.11 is: 417,096.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,220.09 : 617,056.95 = 302,296.11 : x
  2. Step 2: Convert to fraction form
    447,220.09/617,056.95 = 302,296.11/x
  3. Step 3: Cross multiply
    447,220.09x = 617,056.95 × 302,296.11
  4. Step 4: Simplify right side
    447,220.09x = 186,533,915,633.46
  5. Step 5: Solve for x
    x = 186,533,915,633.46/447,220.09
  6. Step 6: Final answer
    x = 417,096.46

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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.