Finding the Fourth Proportional to 513,967.24, 709,263.54 and 281,393.74
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Solution
The fourth proportional to 513,967.24, 709,263.54 and 281,393.74 is: 388,317.20
Step by Step Solution
- Step 1: Write the proportion equation
513,967.24 : 709,263.54 = 281,393.74 : x - Step 2: Convert to fraction form
513,967.24/709,263.54 = 281,393.74/x - Step 3: Cross multiply
513,967.24x = 709,263.54 × 281,393.74 - Step 4: Simplify right side
513,967.24x = 199,582,320,166.24 - Step 5: Solve for x
x = 199,582,320,166.24/513,967.24 - Step 6: Final answer
x = 388,317.20
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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.