Home / 289,094.02-433,456.08-139,035.46

Finding the Fourth Proportional to 289,094.02, 433,456.08 and 139,035.46

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Solution

The fourth proportional to 289,094.02, 433,456.08 and 139,035.46 is: 208,464.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,094.02 : 433,456.08 = 139,035.46 : x
  2. Step 2: Convert to fraction form
    289,094.02/433,456.08 = 139,035.46/x
  3. Step 3: Cross multiply
    289,094.02x = 433,456.08 × 139,035.46
  4. Step 4: Simplify right side
    289,094.02x = 60,265,765,472.60
  5. Step 5: Solve for x
    x = 60,265,765,472.60/289,094.02
  6. Step 6: Final answer
    x = 208,464.24

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1.5x scale

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.