Finding the Fourth Proportional to 150,957.74, 208,102.12 and 105,494.58
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Solution
The fourth proportional to 150,957.74, 208,102.12 and 105,494.58 is: 145,429.08
Step by Step Solution
- Step 1: Write the proportion equation
150,957.74 : 208,102.12 = 105,494.58 : x - Step 2: Convert to fraction form
150,957.74/208,102.12 = 105,494.58/x - Step 3: Cross multiply
150,957.74x = 208,102.12 × 105,494.58 - Step 4: Simplify right side
150,957.74x = 21,953,645,746.51 - Step 5: Solve for x
x = 21,953,645,746.51/150,957.74 - Step 6: Final answer
x = 145,429.08
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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.