Finding the Fourth Proportional to 315,866.08, 473,658.33 and 91,173.09
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Solution
The fourth proportional to 315,866.08, 473,658.33 and 91,173.09 is: 136,719.00
Step by Step Solution
- Step 1: Write the proportion equation
315,866.08 : 473,658.33 = 91,173.09 : x - Step 2: Convert to fraction form
315,866.08/473,658.33 = 91,173.09/x - Step 3: Cross multiply
315,866.08x = 473,658.33 × 91,173.09 - Step 4: Simplify right side
315,866.08x = 43,184,895,668.46 - Step 5: Solve for x
x = 43,184,895,668.46/315,866.08 - Step 6: Final answer
x = 136,719.00
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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.