Finding the Fourth Proportional to 272,971.60, 409,894.80 and 206,486.80
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Solution
The fourth proportional to 272,971.60, 409,894.80 and 206,486.80 is: 310,061.07
Step by Step Solution
- Step 1: Write the proportion equation
272,971.60 : 409,894.80 = 206,486.80 : x - Step 2: Convert to fraction form
272,971.60/409,894.80 = 206,486.80/x - Step 3: Cross multiply
272,971.60x = 409,894.80 × 206,486.80 - Step 4: Simplify right side
272,971.60x = 84,637,865,588.64 - Step 5: Solve for x
x = 84,637,865,588.64/272,971.60 - Step 6: Final answer
x = 310,061.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.