Home / 443,334.60-611,816.40-242,130.60

Finding the Fourth Proportional to 443,334.60, 611,816.40 and 242,130.60

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Solution

The fourth proportional to 443,334.60, 611,816.40 and 242,130.60 is: 334,148.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,334.60 : 611,816.40 = 242,130.60 : x
  2. Step 2: Convert to fraction form
    443,334.60/611,816.40 = 242,130.60/x
  3. Step 3: Cross multiply
    443,334.60x = 611,816.40 × 242,130.60
  4. Step 4: Simplify right side
    443,334.60x = 148,139,472,021.84
  5. Step 5: Solve for x
    x = 148,139,472,021.84/443,334.60
  6. Step 6: Final answer
    x = 334,148.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.