Home / 346,886.20-520,070.10-189,292.60

Finding the Fourth Proportional to 346,886.20, 520,070.10 and 189,292.60

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Solution

The fourth proportional to 346,886.20, 520,070.10 and 189,292.60 is: 283,797.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,886.20 : 520,070.10 = 189,292.60 : x
  2. Step 2: Convert to fraction form
    346,886.20/520,070.10 = 189,292.60/x
  3. Step 3: Cross multiply
    346,886.20x = 520,070.10 × 189,292.60
  4. Step 4: Simplify right side
    346,886.20x = 98,445,421,411.26
  5. Step 5: Solve for x
    x = 98,445,421,411.26/346,886.20
  6. Step 6: Final answer
    x = 283,797.46

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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.