Finding the Fourth Proportional to 354,316.21, 531,193.65 and 176,731.81
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Solution
The fourth proportional to 354,316.21, 531,193.65 and 176,731.81 is: 264,957.72
Step by Step Solution
- Step 1: Write the proportion equation
354,316.21 : 531,193.65 = 176,731.81 : x - Step 2: Convert to fraction form
354,316.21/531,193.65 = 176,731.81/x - Step 3: Cross multiply
354,316.21x = 531,193.65 × 176,731.81 - Step 4: Simplify right side
354,316.21x = 93,878,815,225.01 - Step 5: Solve for x
x = 93,878,815,225.01/354,316.21 - Step 6: Final answer
x = 264,957.72
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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.