Finding the Fourth Proportional to 97,730.12, 146,638.92 and 56,177.12
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Solution
The fourth proportional to 97,730.12, 146,638.92 and 56,177.12 is: 84,290.82
Step by Step Solution
- Step 1: Write the proportion equation
97,730.12 : 146,638.92 = 56,177.12 : x - Step 2: Convert to fraction form
97,730.12/146,638.92 = 56,177.12/x - Step 3: Cross multiply
97,730.12x = 146,638.92 × 56,177.12 - Step 4: Simplify right side
97,730.12x = 8,237,752,205.51 - Step 5: Solve for x
x = 8,237,752,205.51/97,730.12 - Step 6: Final answer
x = 84,290.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.