Finding the Fourth Proportional to 232,631.86, 348,655.11 and 126,011.74
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Solution
The fourth proportional to 232,631.86, 348,655.11 and 126,011.74 is: 188,859.07
Step by Step Solution
- Step 1: Write the proportion equation
232,631.86 : 348,655.11 = 126,011.74 : x - Step 2: Convert to fraction form
232,631.86/348,655.11 = 126,011.74/x - Step 3: Cross multiply
232,631.86x = 348,655.11 × 126,011.74 - Step 4: Simplify right side
232,631.86x = 43,934,637,070.99 - Step 5: Solve for x
x = 43,934,637,070.99/232,631.86 - Step 6: Final answer
x = 188,859.07
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1.5x scale
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.