Finding the Fourth Proportional to 319,829.76, 479,746.26 and 132,841.44
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Solution
The fourth proportional to 319,829.76, 479,746.26 and 132,841.44 is: 199,262.83
Step by Step Solution
- Step 1: Write the proportion equation
319,829.76 : 479,746.26 = 132,841.44 : x - Step 2: Convert to fraction form
319,829.76/479,746.26 = 132,841.44/x - Step 3: Cross multiply
319,829.76x = 479,746.26 × 132,841.44 - Step 4: Simplify right side
319,829.76x = 63,730,184,013.01 - Step 5: Solve for x
x = 63,730,184,013.01/319,829.76 - Step 6: Final answer
x = 199,262.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.