Home / 304,802.04-420,628.56-168,840.36

Finding the Fourth Proportional to 304,802.04, 420,628.56 and 168,840.36

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Solution

The fourth proportional to 304,802.04, 420,628.56 and 168,840.36 is: 233,000.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,802.04 : 420,628.56 = 168,840.36 : x
  2. Step 2: Convert to fraction form
    304,802.04/420,628.56 = 168,840.36/x
  3. Step 3: Cross multiply
    304,802.04x = 420,628.56 × 168,840.36
  4. Step 4: Simplify right side
    304,802.04x = 71,019,077,496.68
  5. Step 5: Solve for x
    x = 71,019,077,496.68/304,802.04
  6. Step 6: Final answer
    x = 233,000.66

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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.