Finding the Fourth Proportional to 97,148.96, 145,745.28 and 29,686.88
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Solution
The fourth proportional to 97,148.96, 145,745.28 and 29,686.88 is: 44,536.99
Step by Step Solution
- Step 1: Write the proportion equation
97,148.96 : 145,745.28 = 29,686.88 : x - Step 2: Convert to fraction form
97,148.96/145,745.28 = 29,686.88/x - Step 3: Cross multiply
97,148.96x = 145,745.28 × 29,686.88 - Step 4: Simplify right side
97,148.96x = 4,326,722,637.93 - Step 5: Solve for x
x = 4,326,722,637.93/97,148.96 - Step 6: Final answer
x = 44,536.99
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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.