Finding the Fourth Proportional to 408,991.71, 564,368.36 and 239,192.67
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Solution
The fourth proportional to 408,991.71, 564,368.36 and 239,192.67 is: 330,062.37
Step by Step Solution
- Step 1: Write the proportion equation
408,991.71 : 564,368.36 = 239,192.67 : x - Step 2: Convert to fraction form
408,991.71/564,368.36 = 239,192.67/x - Step 3: Cross multiply
408,991.71x = 564,368.36 × 239,192.67 - Step 4: Simplify right side
408,991.71x = 134,992,773,695.96 - Step 5: Solve for x
x = 134,992,773,695.96/408,991.71 - Step 6: Final answer
x = 330,062.37
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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.