Home / 299,158.02-448,485.38-139,152.66

Finding the Fourth Proportional to 299,158.02, 448,485.38 and 139,152.66

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Solution

The fourth proportional to 299,158.02, 448,485.38 and 139,152.66 is: 208,611.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,158.02 : 448,485.38 = 139,152.66 : x
  2. Step 2: Convert to fraction form
    299,158.02/448,485.38 = 139,152.66/x
  3. Step 3: Cross multiply
    299,158.02x = 448,485.38 × 139,152.66
  4. Step 4: Simplify right side
    299,158.02x = 62,407,933,598.11
  5. Step 5: Solve for x
    x = 62,407,933,598.11/299,158.02
  6. Step 6: Final answer
    x = 208,611.94

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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.