Home / 335,061.40-501,911.70-208,312.60

Finding the Fourth Proportional to 335,061.40, 501,911.70 and 208,312.60

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Solution

The fourth proportional to 335,061.40, 501,911.70 and 208,312.60 is: 312,045.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,061.40 : 501,911.70 = 208,312.60 : x
  2. Step 2: Convert to fraction form
    335,061.40/501,911.70 = 208,312.60/x
  3. Step 3: Cross multiply
    335,061.40x = 501,911.70 × 208,312.60
  4. Step 4: Simplify right side
    335,061.40x = 104,554,531,197.42
  5. Step 5: Solve for x
    x = 104,554,531,197.42/335,061.40
  6. Step 6: Final answer
    x = 312,045.89

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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.