Finding the Fourth Proportional to 427,781.15, 590,337.99 and 236,794.54
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Solution
The fourth proportional to 427,781.15, 590,337.99 and 236,794.54 is: 326,776.47
Step by Step Solution
- Step 1: Write the proportion equation
427,781.15 : 590,337.99 = 236,794.54 : x - Step 2: Convert to fraction form
427,781.15/590,337.99 = 236,794.54/x - Step 3: Cross multiply
427,781.15x = 590,337.99 × 236,794.54 - Step 4: Simplify right side
427,781.15x = 139,788,812,786.58 - Step 5: Solve for x
x = 139,788,812,786.58/427,781.15 - Step 6: Final answer
x = 326,776.47
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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.