Finding the Fourth Proportional to 541,543.08, 811,832.40 and 257,058.12
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Solution
The fourth proportional to 541,543.08, 811,832.40 and 257,058.12 is: 385,358.28
Step by Step Solution
- Step 1: Write the proportion equation
541,543.08 : 811,832.40 = 257,058.12 : x - Step 2: Convert to fraction form
541,543.08/811,832.40 = 257,058.12/x - Step 3: Cross multiply
541,543.08x = 811,832.40 × 257,058.12 - Step 4: Simplify right side
541,543.08x = 208,688,110,499.09 - Step 5: Solve for x
x = 208,688,110,499.09/541,543.08 - Step 6: Final answer
x = 385,358.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.