Finding the Fourth Proportional to 517,564.54, 714,231.75 and 291,209.50
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Solution
The fourth proportional to 517,564.54, 714,231.75 and 291,209.50 is: 401,864.99
Step by Step Solution
- Step 1: Write the proportion equation
517,564.54 : 714,231.75 = 291,209.50 : x - Step 2: Convert to fraction form
517,564.54/714,231.75 = 291,209.50/x - Step 3: Cross multiply
517,564.54x = 714,231.75 × 291,209.50 - Step 4: Simplify right side
517,564.54x = 207,991,070,801.63 - Step 5: Solve for x
x = 207,991,070,801.63/517,564.54 - Step 6: Final answer
x = 401,864.99
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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.