Finding the Fourth Proportional to 611,467.76, 916,501.80 and 237,170
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Solution
The fourth proportional to 611,467.76, 916,501.80 and 237,170 is: 355,483.55
Step by Step Solution
- Step 1: Write the proportion equation
611,467.76 : 916,501.80 = 237,170 : x - Step 2: Convert to fraction form
611,467.76/916,501.80 = 237,170/x - Step 3: Cross multiply
611,467.76x = 916,501.80 × 237,170 - Step 4: Simplify right side
611,467.76x = 217,366,731,906 - Step 5: Solve for x
x = 217,366,731,906/611,467.76 - Step 6: Final answer
x = 355,483.55
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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.