Finding the Fourth Proportional to 190,948.74, 286,345.08 and 82,885.02
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Solution
The fourth proportional to 190,948.74, 286,345.08 and 82,885.02 is: 124,293.66
Step by Step Solution
- Step 1: Write the proportion equation
190,948.74 : 286,345.08 = 82,885.02 : x - Step 2: Convert to fraction form
190,948.74/286,345.08 = 82,885.02/x - Step 3: Cross multiply
190,948.74x = 286,345.08 × 82,885.02 - Step 4: Simplify right side
190,948.74x = 23,733,717,682.70 - Step 5: Solve for x
x = 23,733,717,682.70/190,948.74 - Step 6: Final answer
x = 124,293.66
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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.