Finding the Fourth Proportional to 291,225.24, 402,014.81 and 195,787.28
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Solution
The fourth proportional to 291,225.24, 402,014.81 and 195,787.28 is: 270,269.80
Step by Step Solution
- Step 1: Write the proportion equation
291,225.24 : 402,014.81 = 195,787.28 : x - Step 2: Convert to fraction form
291,225.24/402,014.81 = 195,787.28/x - Step 3: Cross multiply
291,225.24x = 402,014.81 × 195,787.28 - Step 4: Simplify right side
291,225.24x = 78,709,387,664.12 - Step 5: Solve for x
x = 78,709,387,664.12/291,225.24 - Step 6: Final answer
x = 270,269.80
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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.