Home / 351,271.41-526,908.47-85,031.48

Finding the Fourth Proportional to 351,271.41, 526,908.47 and 85,031.48

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Solution

The fourth proportional to 351,271.41, 526,908.47 and 85,031.48 is: 127,547.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,271.41 : 526,908.47 = 85,031.48 : x
  2. Step 2: Convert to fraction form
    351,271.41/526,908.47 = 85,031.48/x
  3. Step 3: Cross multiply
    351,271.41x = 526,908.47 × 85,031.48
  4. Step 4: Simplify right side
    351,271.41x = 44,803,803,968.94
  5. Step 5: Solve for x
    x = 44,803,803,968.94/351,271.41
  6. Step 6: Final answer
    x = 127,547.54

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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.