Finding the Fourth Proportional to 230,853.15, 346,235.99 and 81,058.23
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Solution
The fourth proportional to 230,853.15, 346,235.99 and 81,058.23 is: 121,571.99
Step by Step Solution
- Step 1: Write the proportion equation
230,853.15 : 346,235.99 = 81,058.23 : x - Step 2: Convert to fraction form
230,853.15/346,235.99 = 81,058.23/x - Step 3: Cross multiply
230,853.15x = 346,235.99 × 81,058.23 - Step 4: Simplify right side
230,853.15x = 28,065,276,106.41 - Step 5: Solve for x
x = 28,065,276,106.41/230,853.15 - Step 6: Final answer
x = 121,571.99
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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.