Home / 351,031.40-526,547.10-140,820.20

Finding the Fourth Proportional to 351,031.40, 526,547.10 and 140,820.20

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Solution

The fourth proportional to 351,031.40, 526,547.10 and 140,820.20 is: 211,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,031.40 : 526,547.10 = 140,820.20 : x
  2. Step 2: Convert to fraction form
    351,031.40/526,547.10 = 140,820.20/x
  3. Step 3: Cross multiply
    351,031.40x = 526,547.10 × 140,820.20
  4. Step 4: Simplify right side
    351,031.40x = 74,148,467,931.42
  5. Step 5: Solve for x
    x = 74,148,467,931.42/351,031.40
  6. Step 6: Final answer
    x = 211,230.30

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1.5x scale

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.