Home / 346,810.17-478,583.33-217,816.05

Finding the Fourth Proportional to 346,810.17, 478,583.33 and 217,816.05

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Solution

The fourth proportional to 346,810.17, 478,583.33 and 217,816.05 is: 300,576.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,810.17 : 478,583.33 = 217,816.05 : x
  2. Step 2: Convert to fraction form
    346,810.17/478,583.33 = 217,816.05/x
  3. Step 3: Cross multiply
    346,810.17x = 478,583.33 × 217,816.05
  4. Step 4: Simplify right side
    346,810.17x = 104,243,129,447.37
  5. Step 5: Solve for x
    x = 104,243,129,447.37/346,810.17
  6. Step 6: Final answer
    x = 300,576.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.