Home / 256,328.74-384,547.18-96,406.19

Finding the Fourth Proportional to 256,328.74, 384,547.18 and 96,406.19

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Solution

The fourth proportional to 256,328.74, 384,547.18 and 96,406.19 is: 144,629.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,328.74 : 384,547.18 = 96,406.19 : x
  2. Step 2: Convert to fraction form
    256,328.74/384,547.18 = 96,406.19/x
  3. Step 3: Cross multiply
    256,328.74x = 384,547.18 × 96,406.19
  4. Step 4: Simplify right side
    256,328.74x = 37,072,728,499.04
  5. Step 5: Solve for x
    x = 37,072,728,499.04/256,328.74
  6. Step 6: Final answer
    x = 144,629.62

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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.