Finding the Fourth Proportional to 562,216.21, 775,864.50 and 307,561.93
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Solution
The fourth proportional to 562,216.21, 775,864.50 and 307,561.93 is: 424,438.82
Step by Step Solution
- Step 1: Write the proportion equation
562,216.21 : 775,864.50 = 307,561.93 : x - Step 2: Convert to fraction form
562,216.21/775,864.50 = 307,561.93/x - Step 3: Cross multiply
562,216.21x = 775,864.50 × 307,561.93 - Step 4: Simplify right side
562,216.21x = 238,626,383,038.49 - Step 5: Solve for x
x = 238,626,383,038.49/562,216.21 - Step 6: Final answer
x = 424,438.82
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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.