Finding the Fourth Proportional to 319,159.68, 478,809.90 and 94,537.80
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Solution
The fourth proportional to 319,159.68, 478,809.90 and 94,537.80 is: 141,827.55
Step by Step Solution
- Step 1: Write the proportion equation
319,159.68 : 478,809.90 = 94,537.80 : x - Step 2: Convert to fraction form
319,159.68/478,809.90 = 94,537.80/x - Step 3: Cross multiply
319,159.68x = 478,809.90 × 94,537.80 - Step 4: Simplify right side
319,159.68x = 45,265,634,564.22 - Step 5: Solve for x
x = 45,265,634,564.22/319,159.68 - Step 6: Final answer
x = 141,827.55
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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.