Finding the Fourth Proportional to 513,966.24, 709,262.16 and 281,392.74
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Solution
The fourth proportional to 513,966.24, 709,262.16 and 281,392.74 is: 388,315.82
Step by Step Solution
- Step 1: Write the proportion equation
513,966.24 : 709,262.16 = 281,392.74 : x - Step 2: Convert to fraction form
513,966.24/709,262.16 = 281,392.74/x - Step 3: Cross multiply
513,966.24x = 709,262.16 × 281,392.74 - Step 4: Simplify right side
513,966.24x = 199,581,222,580.72 - Step 5: Solve for x
x = 199,581,222,580.72/513,966.24 - Step 6: Final answer
x = 388,315.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.