Home / 302,615.40-453,923.10-243,566.40

Finding the Fourth Proportional to 302,615.40, 453,923.10 and 243,566.40

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Solution

The fourth proportional to 302,615.40, 453,923.10 and 243,566.40 is: 365,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,615.40 : 453,923.10 = 243,566.40 : x
  2. Step 2: Convert to fraction form
    302,615.40/453,923.10 = 243,566.40/x
  3. Step 3: Cross multiply
    302,615.40x = 453,923.10 × 243,566.40
  4. Step 4: Simplify right side
    302,615.40x = 110,560,415,343.84
  5. Step 5: Solve for x
    x = 110,560,415,343.84/302,615.40
  6. Step 6: Final answer
    x = 365,349.60

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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.