Finding the Fourth Proportional to 291,371.07, 402,110.57 and 176,660.70
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Solution
The fourth proportional to 291,371.07, 402,110.57 and 176,660.70 is: 243,802.98
Step by Step Solution
- Step 1: Write the proportion equation
291,371.07 : 402,110.57 = 176,660.70 : x - Step 2: Convert to fraction form
291,371.07/402,110.57 = 176,660.70/x - Step 3: Cross multiply
291,371.07x = 402,110.57 × 176,660.70 - Step 4: Simplify right side
291,371.07x = 71,037,133,890.30 - Step 5: Solve for x
x = 71,037,133,890.30/291,371.07 - Step 6: Final answer
x = 243,802.98
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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.