Finding the Fourth Proportional to 425,381.42, 587,005.16 and 234,363.98
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Solution
The fourth proportional to 425,381.42, 587,005.16 and 234,363.98 is: 323,410.61
Step by Step Solution
- Step 1: Write the proportion equation
425,381.42 : 587,005.16 = 234,363.98 : x - Step 2: Convert to fraction form
425,381.42/587,005.16 = 234,363.98/x - Step 3: Cross multiply
425,381.42x = 587,005.16 × 234,363.98 - Step 4: Simplify right side
425,381.42x = 137,572,865,578.14 - Step 5: Solve for x
x = 137,572,865,578.14/425,381.42 - Step 6: Final answer
x = 323,410.61
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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.