Home / 390,916.46-586,499.28-174,741.86

Finding the Fourth Proportional to 390,916.46, 586,499.28 and 174,741.86

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Solution

The fourth proportional to 390,916.46, 586,499.28 and 174,741.86 is: 262,168.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,916.46 : 586,499.28 = 174,741.86 : x
  2. Step 2: Convert to fraction form
    390,916.46/586,499.28 = 174,741.86/x
  3. Step 3: Cross multiply
    390,916.46x = 586,499.28 × 174,741.86
  4. Step 4: Simplify right side
    390,916.46x = 102,485,975,075.86
  5. Step 5: Solve for x
    x = 102,485,975,075.86/390,916.46
  6. Step 6: Final answer
    x = 262,168.48

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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.