Finding the Fourth Proportional to 408,394.77, 563,502.18 and 238,596.09
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Solution
The fourth proportional to 408,394.77, 563,502.18 and 238,596.09 is: 329,214.35
Step by Step Solution
- Step 1: Write the proportion equation
408,394.77 : 563,502.18 = 238,596.09 : x - Step 2: Convert to fraction form
408,394.77/563,502.18 = 238,596.09/x - Step 3: Cross multiply
408,394.77x = 563,502.18 × 238,596.09 - Step 4: Simplify right side
408,394.77x = 134,449,416,854.48 - Step 5: Solve for x
x = 134,449,416,854.48/408,394.77 - Step 6: Final answer
x = 329,214.35
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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.