Finding the Fourth Proportional to 224,370.03, 309,631.64 and 122,397.81
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Solution
The fourth proportional to 224,370.03, 309,631.64 and 122,397.81 is: 168,909.52
Step by Step Solution
- Step 1: Write the proportion equation
224,370.03 : 309,631.64 = 122,397.81 : x - Step 2: Convert to fraction form
224,370.03/309,631.64 = 122,397.81/x - Step 3: Cross multiply
224,370.03x = 309,631.64 × 122,397.81 - Step 4: Simplify right side
224,370.03x = 37,898,234,030.72 - Step 5: Solve for x
x = 37,898,234,030.72/224,370.03 - Step 6: Final answer
x = 168,909.52
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1.5x scale
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.