Finding the Fourth Proportional to 425,416.82, 587,079.09 and 234,437.06
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Solution
The fourth proportional to 425,416.82, 587,079.09 and 234,437.06 is: 323,525.28
Step by Step Solution
- Step 1: Write the proportion equation
425,416.82 : 587,079.09 = 234,437.06 : x - Step 2: Convert to fraction form
425,416.82/587,079.09 = 234,437.06/x - Step 3: Cross multiply
425,416.82x = 587,079.09 × 234,437.06 - Step 4: Simplify right side
425,416.82x = 137,633,095,847.08 - Step 5: Solve for x
x = 137,633,095,847.08/425,416.82 - Step 6: Final answer
x = 323,525.28
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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.