Finding the Fourth Proportional to 472,405.97, 651,914.02 and 257,545.68
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Solution
The fourth proportional to 472,405.97, 651,914.02 and 257,545.68 is: 355,409.64
Step by Step Solution
- Step 1: Write the proportion equation
472,405.97 : 651,914.02 = 257,545.68 : x - Step 2: Convert to fraction form
472,405.97/651,914.02 = 257,545.68/x - Step 3: Cross multiply
472,405.97x = 651,914.02 × 257,545.68 - Step 4: Simplify right side
472,405.97x = 167,897,637,459.69 - Step 5: Solve for x
x = 167,897,637,459.69/472,405.97 - Step 6: Final answer
x = 355,409.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.