Finding the Fourth Proportional to 314,381.99, 432,886.41 and 236,970.09
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Solution
The fourth proportional to 314,381.99, 432,886.41 and 236,970.09 is: 326,294.55
Step by Step Solution
- Step 1: Write the proportion equation
314,381.99 : 432,886.41 = 236,970.09 : x - Step 2: Convert to fraction form
314,381.99/432,886.41 = 236,970.09/x - Step 3: Cross multiply
314,381.99x = 432,886.41 × 236,970.09 - Step 4: Simplify right side
314,381.99x = 102,581,131,537.48 - Step 5: Solve for x
x = 102,581,131,537.48/314,381.99 - Step 6: Final answer
x = 326,294.55
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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.