Finding the Fourth Proportional to 384,501.40, 576,795.30 and 118,259.80
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Solution
The fourth proportional to 384,501.40, 576,795.30 and 118,259.80 is: 177,402.99
Step by Step Solution
- Step 1: Write the proportion equation
384,501.40 : 576,795.30 = 118,259.80 : x - Step 2: Convert to fraction form
384,501.40/576,795.30 = 118,259.80/x - Step 3: Cross multiply
384,501.40x = 576,795.30 × 118,259.80 - Step 4: Simplify right side
384,501.40x = 68,211,696,818.94 - Step 5: Solve for x
x = 68,211,696,818.94/384,501.40 - Step 6: Final answer
x = 177,402.99
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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.