Home / 302,571.02-453,905.80-89,360.50

Finding the Fourth Proportional to 302,571.02, 453,905.80 and 89,360.50

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Solution

The fourth proportional to 302,571.02, 453,905.80 and 89,360.50 is: 134,055.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,571.02 : 453,905.80 = 89,360.50 : x
  2. Step 2: Convert to fraction form
    302,571.02/453,905.80 = 89,360.50/x
  3. Step 3: Cross multiply
    302,571.02x = 453,905.80 × 89,360.50
  4. Step 4: Simplify right side
    302,571.02x = 40,561,249,240.90
  5. Step 5: Solve for x
    x = 40,561,249,240.90/302,571.02
  6. Step 6: Final answer
    x = 134,055.30

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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.