Finding the Fourth Proportional to 346,588.75, 478,292.52 and 187,612.75
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Solution
The fourth proportional to 346,588.75, 478,292.52 and 187,612.75 is: 258,905.62
Step by Step Solution
- Step 1: Write the proportion equation
346,588.75 : 478,292.52 = 187,612.75 : x - Step 2: Convert to fraction form
346,588.75/478,292.52 = 187,612.75/x - Step 3: Cross multiply
346,588.75x = 478,292.52 × 187,612.75 - Step 4: Simplify right side
346,588.75x = 89,733,774,981.63 - Step 5: Solve for x
x = 89,733,774,981.63/346,588.75 - Step 6: Final answer
x = 258,905.62
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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.