Finding the Fourth Proportional to 298,377.94, 411,771.98 and 162,423.08
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Solution
The fourth proportional to 298,377.94, 411,771.98 and 162,423.08 is: 224,149.53
Step by Step Solution
- Step 1: Write the proportion equation
298,377.94 : 411,771.98 = 162,423.08 : x - Step 2: Convert to fraction form
298,377.94/411,771.98 = 162,423.08/x - Step 3: Cross multiply
298,377.94x = 411,771.98 × 162,423.08 - Step 4: Simplify right side
298,377.94x = 66,881,272,437.18 - Step 5: Solve for x
x = 66,881,272,437.18/298,377.94 - Step 6: Final answer
x = 224,149.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.