Finding the Fourth Proportional to 153,030.86, 229,251.95 and 93,076.68
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Solution
The fourth proportional to 153,030.86, 229,251.95 and 93,076.68 is: 139,436.00
Step by Step Solution
- Step 1: Write the proportion equation
153,030.86 : 229,251.95 = 93,076.68 : x - Step 2: Convert to fraction form
153,030.86/229,251.95 = 93,076.68/x - Step 3: Cross multiply
153,030.86x = 229,251.95 × 93,076.68 - Step 4: Simplify right side
153,030.86x = 21,338,010,389.53 - Step 5: Solve for x
x = 21,338,010,389.53/153,030.86 - Step 6: Final answer
x = 139,436.00
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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.