Finding the Fourth Proportional to 529,260.99, 730,219.25 and 299,781.81
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Solution
The fourth proportional to 529,260.99, 730,219.25 and 299,781.81 is: 413,607.76
Step by Step Solution
- Step 1: Write the proportion equation
529,260.99 : 730,219.25 = 299,781.81 : x - Step 2: Convert to fraction form
529,260.99/730,219.25 = 299,781.81/x - Step 3: Cross multiply
529,260.99x = 730,219.25 × 299,781.81 - Step 4: Simplify right side
529,260.99x = 218,906,449,211.30 - Step 5: Solve for x
x = 218,906,449,211.30/529,260.99 - Step 6: Final answer
x = 413,607.76
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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.