Finding the Fourth Proportional to 425,531.08, 587,236.98 and 234,551.80
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Solution
The fourth proportional to 425,531.08, 587,236.98 and 234,551.80 is: 323,683.74
Step by Step Solution
- Step 1: Write the proportion equation
425,531.08 : 587,236.98 = 234,551.80 : x - Step 2: Convert to fraction form
425,531.08/587,236.98 = 234,551.80/x - Step 3: Cross multiply
425,531.08x = 587,236.98 × 234,551.80 - Step 4: Simplify right side
425,531.08x = 137,737,490,685.56 - Step 5: Solve for x
x = 137,737,490,685.56/425,531.08 - Step 6: Final answer
x = 323,683.74
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1.5x scale
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.