Finding the Fourth Proportional to 343,710.98, 515,443.44 and 119,011.08
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Solution
The fourth proportional to 343,710.98, 515,443.44 and 119,011.08 is: 178,474.02
Step by Step Solution
- Step 1: Write the proportion equation
343,710.98 : 515,443.44 = 119,011.08 : x - Step 2: Convert to fraction form
343,710.98/515,443.44 = 119,011.08/x - Step 3: Cross multiply
343,710.98x = 515,443.44 × 119,011.08 - Step 4: Simplify right side
343,710.98x = 61,343,480,473.32 - Step 5: Solve for x
x = 61,343,480,473.32/343,710.98 - Step 6: Final answer
x = 178,474.02
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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.