Finding the Fourth Proportional to 398,176.74, 596,904.12 and 198,558.32
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Solution
The fourth proportional to 398,176.74, 596,904.12 and 198,558.32 is: 297,657.46
Step by Step Solution
- Step 1: Write the proportion equation
398,176.74 : 596,904.12 = 198,558.32 : x - Step 2: Convert to fraction form
398,176.74/596,904.12 = 198,558.32/x - Step 3: Cross multiply
398,176.74x = 596,904.12 × 198,558.32 - Step 4: Simplify right side
398,176.74x = 118,520,276,283.76 - Step 5: Solve for x
x = 118,520,276,283.76/398,176.74 - Step 6: Final answer
x = 297,657.46
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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.