Home / 346,030.80-518,487.30-195,824.40

Finding the Fourth Proportional to 346,030.80, 518,487.30 and 195,824.40

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Solution

The fourth proportional to 346,030.80, 518,487.30 and 195,824.40 is: 293,420.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,030.80 : 518,487.30 = 195,824.40 : x
  2. Step 2: Convert to fraction form
    346,030.80/518,487.30 = 195,824.40/x
  3. Step 3: Cross multiply
    346,030.80x = 518,487.30 × 195,824.40
  4. Step 4: Simplify right side
    346,030.80x = 101,532,464,430.12
  5. Step 5: Solve for x
    x = 101,532,464,430.12/346,030.80
  6. Step 6: Final answer
    x = 293,420.31

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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.