Home / 283,041.05-390,596.06-155,716.34

Finding the Fourth Proportional to 283,041.05, 390,596.06 and 155,716.34

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Solution

The fourth proportional to 283,041.05, 390,596.06 and 155,716.34 is: 214,888.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,041.05 : 390,596.06 = 155,716.34 : x
  2. Step 2: Convert to fraction form
    283,041.05/390,596.06 = 155,716.34/x
  3. Step 3: Cross multiply
    283,041.05x = 390,596.06 × 155,716.34
  4. Step 4: Simplify right side
    283,041.05x = 60,822,186,928.64
  5. Step 5: Solve for x
    x = 60,822,186,928.64/283,041.05
  6. Step 6: Final answer
    x = 214,888.22

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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.