Finding the Fourth Proportional to 235,468.65, 352,989.33 and 85,603.08
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Solution
The fourth proportional to 235,468.65, 352,989.33 and 85,603.08 is: 128,326.95
Step by Step Solution
- Step 1: Write the proportion equation
235,468.65 : 352,989.33 = 85,603.08 : x - Step 2: Convert to fraction form
235,468.65/352,989.33 = 85,603.08/x - Step 3: Cross multiply
235,468.65x = 352,989.33 × 85,603.08 - Step 4: Simplify right side
235,468.65x = 30,216,973,855.14 - Step 5: Solve for x
x = 30,216,973,855.14/235,468.65 - Step 6: Final answer
x = 128,326.95
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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.