Finding the Fourth Proportional to 251,673.16, 377,285.95 and 91,719.05
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Solution
The fourth proportional to 251,673.16, 377,285.95 and 91,719.05 is: 137,497.02
Step by Step Solution
- Step 1: Write the proportion equation
251,673.16 : 377,285.95 = 91,719.05 : x - Step 2: Convert to fraction form
251,673.16/377,285.95 = 91,719.05/x - Step 3: Cross multiply
251,673.16x = 377,285.95 × 91,719.05 - Step 4: Simplify right side
251,673.16x = 34,604,308,746.88 - Step 5: Solve for x
x = 34,604,308,746.88/251,673.16 - Step 6: Final answer
x = 137,497.02
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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.