Finding the Fourth Proportional to 172,472.04, 258,746.99 and 52,539.73
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Solution
The fourth proportional to 172,472.04, 258,746.99 and 52,539.73 is: 78,821.45
Step by Step Solution
- Step 1: Write the proportion equation
172,472.04 : 258,746.99 = 52,539.73 : x - Step 2: Convert to fraction form
172,472.04/258,746.99 = 52,539.73/x - Step 3: Cross multiply
172,472.04x = 258,746.99 × 52,539.73 - Step 4: Simplify right side
172,472.04x = 13,594,496,992.91 - Step 5: Solve for x
x = 13,594,496,992.91/172,472.04 - Step 6: Final answer
x = 78,821.45
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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.