Finding the Fourth Proportional to 517,304.76, 775,989.93 and 162,332.79
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Solution
The fourth proportional to 517,304.76, 775,989.93 and 162,332.79 is: 243,509.47
Step by Step Solution
- Step 1: Write the proportion equation
517,304.76 : 775,989.93 = 162,332.79 : x - Step 2: Convert to fraction form
517,304.76/775,989.93 = 162,332.79/x - Step 3: Cross multiply
517,304.76x = 775,989.93 × 162,332.79 - Step 4: Simplify right side
517,304.76x = 125,968,608,047.59 - Step 5: Solve for x
x = 125,968,608,047.59/517,304.76 - Step 6: Final answer
x = 243,509.47
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1.5x scale
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.