Home / 346,962.40-520,443.60-197,663.20

Finding the Fourth Proportional to 346,962.40, 520,443.60 and 197,663.20

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Solution

The fourth proportional to 346,962.40, 520,443.60 and 197,663.20 is: 296,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,962.40 : 520,443.60 = 197,663.20 : x
  2. Step 2: Convert to fraction form
    346,962.40/520,443.60 = 197,663.20/x
  3. Step 3: Cross multiply
    346,962.40x = 520,443.60 × 197,663.20
  4. Step 4: Simplify right side
    346,962.40x = 102,872,547,395.52
  5. Step 5: Solve for x
    x = 102,872,547,395.52/346,962.40
  6. Step 6: Final answer
    x = 296,494.80

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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.