Finding the Fourth Proportional to 492,382.23, 738,652.05 and 208,075.50
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Solution
The fourth proportional to 492,382.23, 738,652.05 and 208,075.50 is: 312,146.50
Step by Step Solution
- Step 1: Write the proportion equation
492,382.23 : 738,652.05 = 208,075.50 : x - Step 2: Convert to fraction form
492,382.23/738,652.05 = 208,075.50/x - Step 3: Cross multiply
492,382.23x = 738,652.05 × 208,075.50 - Step 4: Simplify right side
492,382.23x = 153,695,390,936.52 - Step 5: Solve for x
x = 153,695,390,936.52/492,382.23 - Step 6: Final answer
x = 312,146.50
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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.