Home / 369,914.86-554,877-130,019.08

Finding the Fourth Proportional to 369,914.86, 554,877 and 130,019.08

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Solution

The fourth proportional to 369,914.86, 554,877 and 130,019.08 is: 195,030.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,914.86 : 554,877 = 130,019.08 : x
  2. Step 2: Convert to fraction form
    369,914.86/554,877 = 130,019.08/x
  3. Step 3: Cross multiply
    369,914.86x = 554,877 × 130,019.08
  4. Step 4: Simplify right side
    369,914.86x = 72,144,597,053.16
  5. Step 5: Solve for x
    x = 72,144,597,053.16/369,914.86
  6. Step 6: Final answer
    x = 195,030.28

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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.