Finding the Fourth Proportional to 236,360.04, 326,178.93 and 128,930.55
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Solution
The fourth proportional to 236,360.04, 326,178.93 and 128,930.55 is: 177,925.29
Step by Step Solution
- Step 1: Write the proportion equation
236,360.04 : 326,178.93 = 128,930.55 : x - Step 2: Convert to fraction form
236,360.04/326,178.93 = 128,930.55/x - Step 3: Cross multiply
236,360.04x = 326,178.93 × 128,930.55 - Step 4: Simplify right side
236,360.04x = 42,054,428,843.31 - Step 5: Solve for x
x = 42,054,428,843.31/236,360.04 - Step 6: Final answer
x = 177,925.29
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1.5x scale
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.