Finding the Fourth Proportional to 242,483.60, 363,726.09 and 84,712.05
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Solution
The fourth proportional to 242,483.60, 363,726.09 and 84,712.05 is: 127,068.31
Step by Step Solution
- Step 1: Write the proportion equation
242,483.60 : 363,726.09 = 84,712.05 : x - Step 2: Convert to fraction form
242,483.60/363,726.09 = 84,712.05/x - Step 3: Cross multiply
242,483.60x = 363,726.09 × 84,712.05 - Step 4: Simplify right side
242,483.60x = 30,811,982,722.38 - Step 5: Solve for x
x = 30,811,982,722.38/242,483.60 - Step 6: Final answer
x = 127,068.31
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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.