Finding the Fourth Proportional to 236,803.57, 355,345.44 and 87,148.96
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Solution
The fourth proportional to 236,803.57, 355,345.44 and 87,148.96 is: 130,774.99
Step by Step Solution
- Step 1: Write the proportion equation
236,803.57 : 355,345.44 = 87,148.96 : x - Step 2: Convert to fraction form
236,803.57/355,345.44 = 87,148.96/x - Step 3: Cross multiply
236,803.57x = 355,345.44 × 87,148.96 - Step 4: Simplify right side
236,803.57x = 30,967,985,536.74 - Step 5: Solve for x
x = 30,967,985,536.74/236,803.57 - Step 6: Final answer
x = 130,774.99
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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.