Home / 390,916.35-586,499.00-174,741.93

Finding the Fourth Proportional to 390,916.35, 586,499.00 and 174,741.93

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Solution

The fourth proportional to 390,916.35, 586,499.00 and 174,741.93 is: 262,168.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,916.35 : 586,499.00 = 174,741.93 : x
  2. Step 2: Convert to fraction form
    390,916.35/586,499.00 = 174,741.93/x
  3. Step 3: Cross multiply
    390,916.35x = 586,499.00 × 174,741.93
  4. Step 4: Simplify right side
    390,916.35x = 102,485,966,329.36
  5. Step 5: Solve for x
    x = 102,485,966,329.36/390,916.35
  6. Step 6: Final answer
    x = 262,168.53

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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.