Finding the Fourth Proportional to 124,653.24, 187,053.84 and 49,808.70
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Solution
The fourth proportional to 124,653.24, 187,053.84 and 49,808.70 is: 74,742.61
Step by Step Solution
- Step 1: Write the proportion equation
124,653.24 : 187,053.84 = 49,808.70 : x - Step 2: Convert to fraction form
124,653.24/187,053.84 = 49,808.70/x - Step 3: Cross multiply
124,653.24x = 187,053.84 × 49,808.70 - Step 4: Simplify right side
124,653.24x = 9,316,908,600.41 - Step 5: Solve for x
x = 9,316,908,600.41/124,653.24 - Step 6: Final answer
x = 74,742.61
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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.