Finding the Fourth Proportional to 401,353.86, 602,030.80 and 135,092.08
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Solution
The fourth proportional to 401,353.86, 602,030.80 and 135,092.08 is: 202,638.12
Step by Step Solution
- Step 1: Write the proportion equation
401,353.86 : 602,030.80 = 135,092.08 : x - Step 2: Convert to fraction form
401,353.86/602,030.80 = 135,092.08/x - Step 3: Cross multiply
401,353.86x = 602,030.80 × 135,092.08 - Step 4: Simplify right side
401,353.86x = 81,329,592,996.06 - Step 5: Solve for x
x = 81,329,592,996.06/401,353.86 - Step 6: Final answer
x = 202,638.12
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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.