Finding the Fourth Proportional to 567,307.90, 782,871.41 and 309,193.00
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Solution
The fourth proportional to 567,307.90, 782,871.41 and 309,193.00 is: 426,678.99
Step by Step Solution
- Step 1: Write the proportion equation
567,307.90 : 782,871.41 = 309,193.00 : x - Step 2: Convert to fraction form
567,307.90/782,871.41 = 309,193.00/x - Step 3: Cross multiply
567,307.90x = 782,871.41 × 309,193.00 - Step 4: Simplify right side
567,307.90x = 242,058,358,687.93 - Step 5: Solve for x
x = 242,058,358,687.93/567,307.90 - Step 6: Final answer
x = 426,678.99
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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.