Finding the Fourth Proportional to 509,215.68, 763,825.68 and 172,258.92
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Solution
The fourth proportional to 509,215.68, 763,825.68 and 172,258.92 is: 258,389.11
Step by Step Solution
- Step 1: Write the proportion equation
509,215.68 : 763,825.68 = 172,258.92 : x - Step 2: Convert to fraction form
509,215.68/763,825.68 = 172,258.92/x - Step 3: Cross multiply
509,215.68x = 763,825.68 × 172,258.92 - Step 4: Simplify right side
509,215.68x = 131,575,786,705.07 - Step 5: Solve for x
x = 131,575,786,705.07/509,215.68 - Step 6: Final answer
x = 258,389.11
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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.