Finding the Fourth Proportional to 239,643.18, 330,648.51 and 146,485.41
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Solution
The fourth proportional to 239,643.18, 330,648.51 and 146,485.41 is: 202,113.75
Step by Step Solution
- Step 1: Write the proportion equation
239,643.18 : 330,648.51 = 146,485.41 : x - Step 2: Convert to fraction form
239,643.18/330,648.51 = 146,485.41/x - Step 3: Cross multiply
239,643.18x = 330,648.51 × 146,485.41 - Step 4: Simplify right side
239,643.18x = 48,435,182,553.24 - Step 5: Solve for x
x = 48,435,182,553.24/239,643.18 - Step 6: Final answer
x = 202,113.75
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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.