Finding the Fourth Proportional to 319,062.86, 440,309.68 and 175,828.02
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Solution
The fourth proportional to 319,062.86, 440,309.68 and 175,828.02 is: 242,644.28
Step by Step Solution
- Step 1: Write the proportion equation
319,062.86 : 440,309.68 = 175,828.02 : x - Step 2: Convert to fraction form
319,062.86/440,309.68 = 175,828.02/x - Step 3: Cross multiply
319,062.86x = 440,309.68 × 175,828.02 - Step 4: Simplify right side
319,062.86x = 77,418,779,221.23 - Step 5: Solve for x
x = 77,418,779,221.23/319,062.86 - Step 6: Final answer
x = 242,644.28
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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.