Home / 403,637.02-605,477.63-163,715.30

Finding the Fourth Proportional to 403,637.02, 605,477.63 and 163,715.30

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Solution

The fourth proportional to 403,637.02, 605,477.63 and 163,715.30 is: 245,581.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,637.02 : 605,477.63 = 163,715.30 : x
  2. Step 2: Convert to fraction form
    403,637.02/605,477.63 = 163,715.30/x
  3. Step 3: Cross multiply
    403,637.02x = 605,477.63 × 163,715.30
  4. Step 4: Simplify right side
    403,637.02x = 99,125,953,194.09
  5. Step 5: Solve for x
    x = 99,125,953,194.09/403,637.02
  6. Step 6: Final answer
    x = 245,581.92

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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.