Finding the Fourth Proportional to 291,058.32, 436,660.14 and 101,521.44
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Solution
The fourth proportional to 291,058.32, 436,660.14 and 101,521.44 is: 152,307.50
Step by Step Solution
- Step 1: Write the proportion equation
291,058.32 : 436,660.14 = 101,521.44 : x - Step 2: Convert to fraction form
291,058.32/436,660.14 = 101,521.44/x - Step 3: Cross multiply
291,058.32x = 436,660.14 × 101,521.44 - Step 4: Simplify right side
291,058.32x = 44,330,366,203.40 - Step 5: Solve for x
x = 44,330,366,203.40/291,058.32 - Step 6: Final answer
x = 152,307.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.