Finding the Fourth Proportional to 509,085.72, 702,497.30 and 294,239.70
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Solution
The fourth proportional to 509,085.72, 702,497.30 and 294,239.70 is: 406,027.09
Step by Step Solution
- Step 1: Write the proportion equation
509,085.72 : 702,497.30 = 294,239.70 : x - Step 2: Convert to fraction form
509,085.72/702,497.30 = 294,239.70/x - Step 3: Cross multiply
509,085.72x = 702,497.30 × 294,239.70 - Step 4: Simplify right side
509,085.72x = 206,702,594,802.81 - Step 5: Solve for x
x = 206,702,594,802.81/509,085.72 - Step 6: Final answer
x = 406,027.09
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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.