Finding the Fourth Proportional to 319,711.08, 441,215.98 and 183,789.02
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Solution
The fourth proportional to 319,711.08, 441,215.98 and 183,789.02 is: 253,637.29
Step by Step Solution
- Step 1: Write the proportion equation
319,711.08 : 441,215.98 = 183,789.02 : x - Step 2: Convert to fraction form
319,711.08/441,215.98 = 183,789.02/x - Step 3: Cross multiply
319,711.08x = 441,215.98 × 183,789.02 - Step 4: Simplify right side
319,711.08x = 81,090,652,572.54 - Step 5: Solve for x
x = 81,090,652,572.54/319,711.08 - Step 6: Final answer
x = 253,637.29
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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.