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Finding the Fourth Proportional to 348,341.81, 480,813.75 and 227,501.87

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Solution

The fourth proportional to 348,341.81, 480,813.75 and 227,501.87 is: 314,019.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,341.81 : 480,813.75 = 227,501.87 : x
  2. Step 2: Convert to fraction form
    348,341.81/480,813.75 = 227,501.87/x
  3. Step 3: Cross multiply
    348,341.81x = 480,813.75 × 227,501.87
  4. Step 4: Simplify right side
    348,341.81x = 109,386,024,842.64
  5. Step 5: Solve for x
    x = 109,386,024,842.64/348,341.81
  6. Step 6: Final answer
    x = 314,019.23

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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.