Finding the Fourth Proportional to 218,465.36, 301,482.84 and 122,973.52
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Solution
The fourth proportional to 218,465.36, 301,482.84 and 122,973.52 is: 169,703.82
Step by Step Solution
- Step 1: Write the proportion equation
218,465.36 : 301,482.84 = 122,973.52 : x - Step 2: Convert to fraction form
218,465.36/301,482.84 = 122,973.52/x - Step 3: Cross multiply
218,465.36x = 301,482.84 × 122,973.52 - Step 4: Simplify right side
218,465.36x = 37,074,406,054.40 - Step 5: Solve for x
x = 37,074,406,054.40/218,465.36 - Step 6: Final answer
x = 169,703.82
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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.