Finding the Fourth Proportional to 425,381.40, 587,052.48 and 234,394.74
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Solution
The fourth proportional to 425,381.40, 587,052.48 and 234,394.74 is: 323,479.15
Step by Step Solution
- Step 1: Write the proportion equation
425,381.40 : 587,052.48 = 234,394.74 : x - Step 2: Convert to fraction form
425,381.40/587,052.48 = 234,394.74/x - Step 3: Cross multiply
425,381.40x = 587,052.48 × 234,394.74 - Step 4: Simplify right side
425,381.40x = 137,602,013,415.96 - Step 5: Solve for x
x = 137,602,013,415.96/425,381.40 - Step 6: Final answer
x = 323,479.15
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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.