Finding the Fourth Proportional to 383,569.94, 529,330.10 and 211,494.08
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Solution
The fourth proportional to 383,569.94, 529,330.10 and 211,494.08 is: 291,863.80
Step by Step Solution
- Step 1: Write the proportion equation
383,569.94 : 529,330.10 = 211,494.08 : x - Step 2: Convert to fraction form
383,569.94/529,330.10 = 211,494.08/x - Step 3: Cross multiply
383,569.94x = 529,330.10 × 211,494.08 - Step 4: Simplify right side
383,569.94x = 111,950,182,781.66 - Step 5: Solve for x
x = 111,950,182,781.66/383,569.94 - Step 6: Final answer
x = 291,863.80
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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.