Finding the Fourth Proportional to 153,029.86, 229,250.45 and 93,075.68
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Solution
The fourth proportional to 153,029.86, 229,250.45 and 93,075.68 is: 139,434.50
Step by Step Solution
- Step 1: Write the proportion equation
153,029.86 : 229,250.45 = 93,075.68 : x - Step 2: Convert to fraction form
153,029.86/229,250.45 = 93,075.68/x - Step 3: Cross multiply
153,029.86x = 229,250.45 × 93,075.68 - Step 4: Simplify right side
153,029.86x = 21,337,642,329.87 - Step 5: Solve for x
x = 21,337,642,329.87/153,029.86 - Step 6: Final answer
x = 139,434.50
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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.