Finding the Fourth Proportional to 190,904.48, 286,199.04 and 84,212.36
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Solution
The fourth proportional to 190,904.48, 286,199.04 and 84,212.36 is: 126,248.98
Step by Step Solution
- Step 1: Write the proportion equation
190,904.48 : 286,199.04 = 84,212.36 : x - Step 2: Convert to fraction form
190,904.48/286,199.04 = 84,212.36/x - Step 3: Cross multiply
190,904.48x = 286,199.04 × 84,212.36 - Step 4: Simplify right side
190,904.48x = 24,101,496,588.13 - Step 5: Solve for x
x = 24,101,496,588.13/190,904.48 - Step 6: Final answer
x = 126,248.98
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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.