Home / 352,647.07-486,985.09-245,510.05

Finding the Fourth Proportional to 352,647.07, 486,985.09 and 245,510.05

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Solution

The fourth proportional to 352,647.07, 486,985.09 and 245,510.05 is: 339,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,647.07 : 486,985.09 = 245,510.05 : x
  2. Step 2: Convert to fraction form
    352,647.07/486,985.09 = 245,510.05/x
  3. Step 3: Cross multiply
    352,647.07x = 486,985.09 × 245,510.05
  4. Step 4: Simplify right side
    352,647.07x = 119,559,733,795.16
  5. Step 5: Solve for x
    x = 119,559,733,795.16/352,647.07
  6. Step 6: Final answer
    x = 339,035.10

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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.