Finding the Fourth Proportional to 286,246.59, 395,004.87 and 158,913.99
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Solution
The fourth proportional to 286,246.59, 395,004.87 and 158,913.99 is: 219,292.74
Step by Step Solution
- Step 1: Write the proportion equation
286,246.59 : 395,004.87 = 158,913.99 : x - Step 2: Convert to fraction form
286,246.59/395,004.87 = 158,913.99/x - Step 3: Cross multiply
286,246.59x = 395,004.87 × 158,913.99 - Step 4: Simplify right side
286,246.59x = 62,771,799,961.13 - Step 5: Solve for x
x = 62,771,799,961.13/286,246.59 - Step 6: Final answer
x = 219,292.74
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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.