Finding the Fourth Proportional to 416,373.46, 624,289.55 and 163,678.68
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Solution
The fourth proportional to 416,373.46, 624,289.55 and 163,678.68 is: 245,411.63
Step by Step Solution
- Step 1: Write the proportion equation
416,373.46 : 624,289.55 = 163,678.68 : x - Step 2: Convert to fraction form
416,373.46/624,289.55 = 163,678.68/x - Step 3: Cross multiply
416,373.46x = 624,289.55 × 163,678.68 - Step 4: Simplify right side
416,373.46x = 102,182,888,663.40 - Step 5: Solve for x
x = 102,182,888,663.40/416,373.46 - Step 6: Final answer
x = 245,411.63
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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.