Finding the Fourth Proportional to 358,563.71, 537,720.21 and 105,777.08
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Solution
The fourth proportional to 358,563.71, 537,720.21 and 105,777.08 is: 158,628.64
Step by Step Solution
- Step 1: Write the proportion equation
358,563.71 : 537,720.21 = 105,777.08 : x - Step 2: Convert to fraction form
358,563.71/537,720.21 = 105,777.08/x - Step 3: Cross multiply
358,563.71x = 537,720.21 × 105,777.08 - Step 4: Simplify right side
358,563.71x = 56,878,473,670.79 - Step 5: Solve for x
x = 56,878,473,670.79/358,563.71 - Step 6: Final answer
x = 158,628.64
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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.