Finding the Fourth Proportional to 517,911.36, 714,731.04 and 291,564.96
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Solution
The fourth proportional to 517,911.36, 714,731.04 and 291,564.96 is: 402,367.17
Step by Step Solution
- Step 1: Write the proportion equation
517,911.36 : 714,731.04 = 291,564.96 : x - Step 2: Convert to fraction form
517,911.36/714,731.04 = 291,564.96/x - Step 3: Cross multiply
517,911.36x = 714,731.04 × 291,564.96 - Step 4: Simplify right side
517,911.36x = 208,390,527,088.36 - Step 5: Solve for x
x = 208,390,527,088.36/517,911.36 - Step 6: Final answer
x = 402,367.17
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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.