Finding the Fourth Proportional to 304,637.68, 420,267.64 and 183,711.76
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Solution
The fourth proportional to 304,637.68, 420,267.64 and 183,711.76 is: 253,442.42
Step by Step Solution
- Step 1: Write the proportion equation
304,637.68 : 420,267.64 = 183,711.76 : x - Step 2: Convert to fraction form
304,637.68/420,267.64 = 183,711.76/x - Step 3: Cross multiply
304,637.68x = 420,267.64 × 183,711.76 - Step 4: Simplify right side
304,637.68x = 77,208,109,013.96 - Step 5: Solve for x
x = 77,208,109,013.96/304,637.68 - Step 6: Final answer
x = 253,442.42
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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.