Finding the Fourth Proportional to 407,607.03, 611,088.98 and 257,530.99
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Solution
The fourth proportional to 407,607.03, 611,088.98 and 257,530.99 is: 386,093.31
Step by Step Solution
- Step 1: Write the proportion equation
407,607.03 : 611,088.98 = 257,530.99 : x - Step 2: Convert to fraction form
407,607.03/611,088.98 = 257,530.99/x - Step 3: Cross multiply
407,607.03x = 611,088.98 × 257,530.99 - Step 4: Simplify right side
407,607.03x = 157,374,345,654.39 - Step 5: Solve for x
x = 157,374,345,654.39/407,607.03 - Step 6: Final answer
x = 386,093.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.