Finding the Fourth Proportional to 315,497.80, 473,376.30 and 115,913.80
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Solution
The fourth proportional to 315,497.80, 473,376.30 and 115,913.80 is: 173,918.32
Step by Step Solution
- Step 1: Write the proportion equation
315,497.80 : 473,376.30 = 115,913.80 : x - Step 2: Convert to fraction form
315,497.80/473,376.30 = 115,913.80/x - Step 3: Cross multiply
315,497.80x = 473,376.30 × 115,913.80 - Step 4: Simplify right side
315,497.80x = 54,870,845,762.94 - Step 5: Solve for x
x = 54,870,845,762.94/315,497.80 - Step 6: Final answer
x = 173,918.32
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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.