Finding the Fourth Proportional to 375,524.12, 518,244.05 and 214,430.92
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Solution
The fourth proportional to 375,524.12, 518,244.05 and 214,430.92 is: 295,926.52
Step by Step Solution
- Step 1: Write the proportion equation
375,524.12 : 518,244.05 = 214,430.92 : x - Step 2: Convert to fraction form
375,524.12/518,244.05 = 214,430.92/x - Step 3: Cross multiply
375,524.12x = 518,244.05 × 214,430.92 - Step 4: Simplify right side
375,524.12x = 111,127,547,666.49 - Step 5: Solve for x
x = 111,127,547,666.49/375,524.12 - Step 6: Final answer
x = 295,926.52
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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.