Finding the Fourth Proportional to 319,167.42, 478,860.48 and 108,952.98
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Solution
The fourth proportional to 319,167.42, 478,860.48 and 108,952.98 is: 163,466.80
Step by Step Solution
- Step 1: Write the proportion equation
319,167.42 : 478,860.48 = 108,952.98 : x - Step 2: Convert to fraction form
319,167.42/478,860.48 = 108,952.98/x - Step 3: Cross multiply
319,167.42x = 478,860.48 × 108,952.98 - Step 4: Simplify right side
319,167.42x = 52,173,276,300.23 - Step 5: Solve for x
x = 52,173,276,300.23/319,167.42 - Step 6: Final answer
x = 163,466.80
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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.