Finding the Fourth Proportional to 302,345.73, 417,254.34 and 173,305.68
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Solution
The fourth proportional to 302,345.73, 417,254.34 and 173,305.68 is: 239,171.72
Step by Step Solution
- Step 1: Write the proportion equation
302,345.73 : 417,254.34 = 173,305.68 : x - Step 2: Convert to fraction form
302,345.73/417,254.34 = 173,305.68/x - Step 3: Cross multiply
302,345.73x = 417,254.34 × 173,305.68 - Step 4: Simplify right side
302,345.73x = 72,312,547,126.65 - Step 5: Solve for x
x = 72,312,547,126.65/302,345.73 - Step 6: Final answer
x = 239,171.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.