Finding the Fourth Proportional to 399,670.76, 599,545.98 and 115,368.20
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Solution
The fourth proportional to 399,670.76, 599,545.98 and 115,368.20 is: 173,063.79
Step by Step Solution
- Step 1: Write the proportion equation
399,670.76 : 599,545.98 = 115,368.20 : x - Step 2: Convert to fraction form
399,670.76/599,545.98 = 115,368.20/x - Step 3: Cross multiply
399,670.76x = 599,545.98 × 115,368.20 - Step 4: Simplify right side
399,670.76x = 69,168,537,532.11 - Step 5: Solve for x
x = 69,168,537,532.11/399,670.76 - Step 6: Final answer
x = 173,063.79
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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.