Home / 648,421.70-971,941.35-248,908.10

Finding the Fourth Proportional to 648,421.70, 971,941.35 and 248,908.10

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Solution

The fourth proportional to 648,421.70, 971,941.35 and 248,908.10 is: 373,096.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,421.70 : 971,941.35 = 248,908.10 : x
  2. Step 2: Convert to fraction form
    648,421.70/971,941.35 = 248,908.10/x
  3. Step 3: Cross multiply
    648,421.70x = 971,941.35 × 248,908.10
  4. Step 4: Simplify right side
    648,421.70x = 241,924,074,739.94
  5. Step 5: Solve for x
    x = 241,924,074,739.94/648,421.70
  6. Step 6: Final answer
    x = 373,096.82

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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.