Finding the Fourth Proportional to 341,999.24, 513,053.99 and 105,341.81
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Solution
The fourth proportional to 341,999.24, 513,053.99 and 105,341.81 is: 158,029.69
Step by Step Solution
- Step 1: Write the proportion equation
341,999.24 : 513,053.99 = 105,341.81 : x - Step 2: Convert to fraction form
341,999.24/513,053.99 = 105,341.81/x - Step 3: Cross multiply
341,999.24x = 513,053.99 × 105,341.81 - Step 4: Simplify right side
341,999.24x = 54,046,035,407.61 - Step 5: Solve for x
x = 54,046,035,407.61/341,999.24 - Step 6: Final answer
x = 158,029.69
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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.