Finding the Fourth Proportional to 562,216.18, 775,876.66 and 307,567.36
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Solution
The fourth proportional to 562,216.18, 775,876.66 and 307,567.36 is: 424,452.99
Step by Step Solution
- Step 1: Write the proportion equation
562,216.18 : 775,876.66 = 307,567.36 : x - Step 2: Convert to fraction form
562,216.18/775,876.66 = 307,567.36/x - Step 3: Cross multiply
562,216.18x = 775,876.66 × 307,567.36 - Step 4: Simplify right side
562,216.18x = 238,634,336,001.82 - Step 5: Solve for x
x = 238,634,336,001.82/562,216.18 - Step 6: Final answer
x = 424,452.99
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1.5x scale
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.