Finding the Fourth Proportional to 230,835.15, 346,208.99 and 81,040.23
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Solution
The fourth proportional to 230,835.15, 346,208.99 and 81,040.23 is: 121,544.99
Step by Step Solution
- Step 1: Write the proportion equation
230,835.15 : 346,208.99 = 81,040.23 : x - Step 2: Convert to fraction form
230,835.15/346,208.99 = 81,040.23/x - Step 3: Cross multiply
230,835.15x = 346,208.99 × 81,040.23 - Step 4: Simplify right side
230,835.15x = 28,056,855,772.47 - Step 5: Solve for x
x = 28,056,855,772.47/230,835.15 - Step 6: Final answer
x = 121,544.99
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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.