Finding the Fourth Proportional to 409,317.58, 564,702.99 and 248,113.81
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Solution
The fourth proportional to 409,317.58, 564,702.99 and 248,113.81 is: 342,302.94
Step by Step Solution
- Step 1: Write the proportion equation
409,317.58 : 564,702.99 = 248,113.81 : x - Step 2: Convert to fraction form
409,317.58/564,702.99 = 248,113.81/x - Step 3: Cross multiply
409,317.58x = 564,702.99 × 248,113.81 - Step 4: Simplify right side
409,317.58x = 140,110,610,367.29 - Step 5: Solve for x
x = 140,110,610,367.29/409,317.58 - Step 6: Final answer
x = 342,302.94
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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.