Finding the Fourth Proportional to 465,831.19, 643,165.73 and 356,743.05
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Solution
The fourth proportional to 465,831.19, 643,165.73 and 356,743.05 is: 492,549.47
Step by Step Solution
- Step 1: Write the proportion equation
465,831.19 : 643,165.73 = 356,743.05 : x - Step 2: Convert to fraction form
465,831.19/643,165.73 = 356,743.05/x - Step 3: Cross multiply
465,831.19x = 643,165.73 × 356,743.05 - Step 4: Simplify right side
465,831.19x = 229,444,904,175.68 - Step 5: Solve for x
x = 229,444,904,175.68/465,831.19 - Step 6: Final answer
x = 492,549.47
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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.