Finding the Fourth Proportional to 287,881.24, 397,276.74 and 160,565.02
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Solution
The fourth proportional to 287,881.24, 397,276.74 and 160,565.02 is: 221,580.08
Step by Step Solution
- Step 1: Write the proportion equation
287,881.24 : 397,276.74 = 160,565.02 : x - Step 2: Convert to fraction form
287,881.24/397,276.74 = 160,565.02/x - Step 3: Cross multiply
287,881.24x = 397,276.74 × 160,565.02 - Step 4: Simplify right side
287,881.24x = 63,788,747,703.63 - Step 5: Solve for x
x = 63,788,747,703.63/287,881.24 - Step 6: Final answer
x = 221,580.08
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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.