Home / 346,688.40-520,032.60-197,389.20

Finding the Fourth Proportional to 346,688.40, 520,032.60 and 197,389.20

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Solution

The fourth proportional to 346,688.40, 520,032.60 and 197,389.20 is: 296,083.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,688.40 : 520,032.60 = 197,389.20 : x
  2. Step 2: Convert to fraction form
    346,688.40/520,032.60 = 197,389.20/x
  3. Step 3: Cross multiply
    346,688.40x = 520,032.60 × 197,389.20
  4. Step 4: Simplify right side
    346,688.40x = 102,648,818,887.92
  5. Step 5: Solve for x
    x = 102,648,818,887.92/346,688.40
  6. Step 6: Final answer
    x = 296,083.80

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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.