Finding the Fourth Proportional to 347,070.76, 478,992.98 and 211,114.08
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Solution
The fourth proportional to 347,070.76, 478,992.98 and 211,114.08 is: 291,358.92
Step by Step Solution
- Step 1: Write the proportion equation
347,070.76 : 478,992.98 = 211,114.08 : x - Step 2: Convert to fraction form
347,070.76/478,992.98 = 211,114.08/x - Step 3: Cross multiply
347,070.76x = 478,992.98 × 211,114.08 - Step 4: Simplify right side
347,070.76x = 101,122,162,299.16 - Step 5: Solve for x
x = 101,122,162,299.16/347,070.76 - Step 6: Final answer
x = 291,358.92
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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.