Home / 298,911.04-448,055.10-130,386.08

Finding the Fourth Proportional to 298,911.04, 448,055.10 and 130,386.08

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Solution

The fourth proportional to 298,911.04, 448,055.10 and 130,386.08 is: 195,443.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,911.04 : 448,055.10 = 130,386.08 : x
  2. Step 2: Convert to fraction form
    298,911.04/448,055.10 = 130,386.08/x
  3. Step 3: Cross multiply
    298,911.04x = 448,055.10 × 130,386.08
  4. Step 4: Simplify right side
    298,911.04x = 58,420,148,113.01
  5. Step 5: Solve for x
    x = 58,420,148,113.01/298,911.04
  6. Step 6: Final answer
    x = 195,443.26

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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.