Finding the Fourth Proportional to 541,411.42, 747,138.69 and 299,688.79
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Solution
The fourth proportional to 541,411.42, 747,138.69 and 299,688.79 is: 413,565.51
Step by Step Solution
- Step 1: Write the proportion equation
541,411.42 : 747,138.69 = 299,688.79 : x - Step 2: Convert to fraction form
541,411.42/747,138.69 = 299,688.79/x - Step 3: Cross multiply
541,411.42x = 747,138.69 × 299,688.79 - Step 4: Simplify right side
541,411.42x = 223,909,089,968.29 - Step 5: Solve for x
x = 223,909,089,968.29/541,411.42 - Step 6: Final answer
x = 413,565.51
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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.