Finding the Fourth Proportional to 150,488.48, 207,674.88 and 86,828.96
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Solution
The fourth proportional to 150,488.48, 207,674.88 and 86,828.96 is: 119,824.41
Step by Step Solution
- Step 1: Write the proportion equation
150,488.48 : 207,674.88 = 86,828.96 : x - Step 2: Convert to fraction form
150,488.48/207,674.88 = 86,828.96/x - Step 3: Cross multiply
150,488.48x = 207,674.88 × 86,828.96 - Step 4: Simplify right side
150,488.48x = 18,032,193,848.52 - Step 5: Solve for x
x = 18,032,193,848.52/150,488.48 - Step 6: Final answer
x = 119,824.41
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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.