Finding the Fourth Proportional to 315,950.72, 473,926.08 and 105,588.66
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Solution
The fourth proportional to 315,950.72, 473,926.08 and 105,588.66 is: 158,382.99
Step by Step Solution
- Step 1: Write the proportion equation
315,950.72 : 473,926.08 = 105,588.66 : x - Step 2: Convert to fraction form
315,950.72/473,926.08 = 105,588.66/x - Step 3: Cross multiply
315,950.72x = 473,926.08 × 105,588.66 - Step 4: Simplify right side
315,950.72x = 50,041,219,726.25 - Step 5: Solve for x
x = 50,041,219,726.25/315,950.72 - Step 6: Final answer
x = 158,382.99
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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.