Finding the Fourth Proportional to 315,326.04, 473,136.68 and 137,809.98
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Solution
The fourth proportional to 315,326.04, 473,136.68 and 137,809.98 is: 206,779.49
Step by Step Solution
- Step 1: Write the proportion equation
315,326.04 : 473,136.68 = 137,809.98 : x - Step 2: Convert to fraction form
315,326.04/473,136.68 = 137,809.98/x - Step 3: Cross multiply
315,326.04x = 473,136.68 × 137,809.98 - Step 4: Simplify right side
315,326.04x = 65,202,956,827.22 - Step 5: Solve for x
x = 65,202,956,827.22/315,326.04 - Step 6: Final answer
x = 206,779.49
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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.