Finding the Fourth Proportional to 406,335.68, 609,385.83 and 122,014.74
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Solution
The fourth proportional to 406,335.68, 609,385.83 and 122,014.74 is: 182,986.77
Step by Step Solution
- Step 1: Write the proportion equation
406,335.68 : 609,385.83 = 122,014.74 : x - Step 2: Convert to fraction form
406,335.68/609,385.83 = 122,014.74/x - Step 3: Cross multiply
406,335.68x = 609,385.83 × 122,014.74 - Step 4: Simplify right side
406,335.68x = 74,354,053,607.13 - Step 5: Solve for x
x = 74,354,053,607.13/406,335.68 - Step 6: Final answer
x = 182,986.77
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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.