Finding the Fourth Proportional to 302,543.70, 453,815.55 and 294,767.70
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Solution
The fourth proportional to 302,543.70, 453,815.55 and 294,767.70 is: 442,151.55
Step by Step Solution
- Step 1: Write the proportion equation
302,543.70 : 453,815.55 = 294,767.70 : x - Step 2: Convert to fraction form
302,543.70/453,815.55 = 294,767.70/x - Step 3: Cross multiply
302,543.70x = 453,815.55 × 294,767.70 - Step 4: Simplify right side
302,543.70x = 133,770,165,897.74 - Step 5: Solve for x
x = 133,770,165,897.74/302,543.70 - Step 6: Final answer
x = 442,151.55
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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.