Finding the Fourth Proportional to 392,328.36, 537,875.64 and 385,242.48
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Solution
The fourth proportional to 392,328.36, 537,875.64 and 385,242.48 is: 528,161.02
Step by Step Solution
- Step 1: Write the proportion equation
392,328.36 : 537,875.64 = 385,242.48 : x - Step 2: Convert to fraction form
392,328.36/537,875.64 = 385,242.48/x - Step 3: Cross multiply
392,328.36x = 537,875.64 × 385,242.48 - Step 4: Simplify right side
392,328.36x = 207,212,545,485.19 - Step 5: Solve for x
x = 207,212,545,485.19/392,328.36 - Step 6: Final answer
x = 528,161.02
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.