Finding the Fourth Proportional to 400,368.84, 552,492.54 and 239,312.70
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Solution
The fourth proportional to 400,368.84, 552,492.54 and 239,312.70 is: 330,241.69
Step by Step Solution
- Step 1: Write the proportion equation
400,368.84 : 552,492.54 = 239,312.70 : x - Step 2: Convert to fraction form
400,368.84/552,492.54 = 239,312.70/x - Step 3: Cross multiply
400,368.84x = 552,492.54 × 239,312.70 - Step 4: Simplify right side
400,368.84x = 132,218,481,477.26 - Step 5: Solve for x
x = 132,218,481,477.26/400,368.84 - Step 6: Final answer
x = 330,241.69
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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.