Finding the Fourth Proportional to 406,058.12, 609,211.76 and 181,607.36
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Solution
The fourth proportional to 406,058.12, 609,211.76 and 181,607.36 is: 272,466.76
Step by Step Solution
- Step 1: Write the proportion equation
406,058.12 : 609,211.76 = 181,607.36 : x - Step 2: Convert to fraction form
406,058.12/609,211.76 = 181,607.36/x - Step 3: Cross multiply
406,058.12x = 609,211.76 × 181,607.36 - Step 4: Simplify right side
406,058.12x = 110,637,339,414.55 - Step 5: Solve for x
x = 110,637,339,414.55/406,058.12 - Step 6: Final answer
x = 272,466.76
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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.