Finding the Fourth Proportional to 475,345.12, 713,010.08 and 115,518.88
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Solution
The fourth proportional to 475,345.12, 713,010.08 and 115,518.88 is: 173,276.47
Step by Step Solution
- Step 1: Write the proportion equation
475,345.12 : 713,010.08 = 115,518.88 : x - Step 2: Convert to fraction form
475,345.12/713,010.08 = 115,518.88/x - Step 3: Cross multiply
475,345.12x = 713,010.08 × 115,518.88 - Step 4: Simplify right side
475,345.12x = 82,366,125,870.31 - Step 5: Solve for x
x = 82,366,125,870.31/475,345.12 - Step 6: Final answer
x = 173,276.47
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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.