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Finding the Fourth Proportional to 459,866.49, 634,602.78 and 255,914.16

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Solution

The fourth proportional to 459,866.49, 634,602.78 and 255,914.16 is: 353,154.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,866.49 : 634,602.78 = 255,914.16 : x
  2. Step 2: Convert to fraction form
    459,866.49/634,602.78 = 255,914.16/x
  3. Step 3: Cross multiply
    459,866.49x = 634,602.78 × 255,914.16
  4. Step 4: Simplify right side
    459,866.49x = 162,403,837,377.37
  5. Step 5: Solve for x
    x = 162,403,837,377.37/459,866.49
  6. Step 6: Final answer
    x = 353,154.32

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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.