Home / 510,031.01-765,047.03-190,178

Finding the Fourth Proportional to 510,031.01, 765,047.03 and 190,178

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Solution

The fourth proportional to 510,031.01, 765,047.03 and 190,178 is: 285,267.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,031.01 : 765,047.03 = 190,178 : x
  2. Step 2: Convert to fraction form
    510,031.01/765,047.03 = 190,178/x
  3. Step 3: Cross multiply
    510,031.01x = 765,047.03 × 190,178
  4. Step 4: Simplify right side
    510,031.01x = 145,495,113,120.45
  5. Step 5: Solve for x
    x = 145,495,113,120.45/510,031.01
  6. Step 6: Final answer
    x = 285,267.19

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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.