Home / 357,716.02-536,541.20-121,031.58

Finding the Fourth Proportional to 357,716.02, 536,541.20 and 121,031.58

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Solution

The fourth proportional to 357,716.02, 536,541.20 and 121,031.58 is: 181,536.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,716.02 : 536,541.20 = 121,031.58 : x
  2. Step 2: Convert to fraction form
    357,716.02/536,541.20 = 121,031.58/x
  3. Step 3: Cross multiply
    357,716.02x = 536,541.20 × 121,031.58
  4. Step 4: Simplify right side
    357,716.02x = 64,938,429,171.10
  5. Step 5: Solve for x
    x = 64,938,429,171.10/357,716.02
  6. Step 6: Final answer
    x = 181,536.26

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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.