Finding the Fourth Proportional to 152,980.98, 229,345.11 and 67,530.99
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Solution
The fourth proportional to 152,980.98, 229,345.11 and 67,530.99 is: 101,240.71
Step by Step Solution
- Step 1: Write the proportion equation
152,980.98 : 229,345.11 = 67,530.99 : x - Step 2: Convert to fraction form
152,980.98/229,345.11 = 67,530.99/x - Step 3: Cross multiply
152,980.98x = 229,345.11 × 67,530.99 - Step 4: Simplify right side
152,980.98x = 15,487,902,329.96 - Step 5: Solve for x
x = 15,487,902,329.96/152,980.98 - Step 6: Final answer
x = 101,240.71
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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.