Finding the Fourth Proportional to 549,531.13, 758,723.05 and 343,113.84
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Solution
The fourth proportional to 549,531.13, 758,723.05 and 343,113.84 is: 473,728.18
Step by Step Solution
- Step 1: Write the proportion equation
549,531.13 : 758,723.05 = 343,113.84 : x - Step 2: Convert to fraction form
549,531.13/758,723.05 = 343,113.84/x - Step 3: Cross multiply
549,531.13x = 758,723.05 × 343,113.84 - Step 4: Simplify right side
549,531.13x = 260,328,381,417.09 - Step 5: Solve for x
x = 260,328,381,417.09/549,531.13 - Step 6: Final answer
x = 473,728.18
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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.