Finding the Fourth Proportional to 554,944.81, 832,417.62 and 134,221.09
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Solution
The fourth proportional to 554,944.81, 832,417.62 and 134,221.09 is: 201,331.73
Step by Step Solution
- Step 1: Write the proportion equation
554,944.81 : 832,417.62 = 134,221.09 : x - Step 2: Convert to fraction form
554,944.81/832,417.62 = 134,221.09/x - Step 3: Cross multiply
554,944.81x = 832,417.62 × 134,221.09 - Step 4: Simplify right side
554,944.81x = 111,728,000,291.61 - Step 5: Solve for x
x = 111,728,000,291.61/554,944.81 - Step 6: Final answer
x = 201,331.73
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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.