Finding the Fourth Proportional to 458,621.19, 687,838.43 and 174,212.17
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Solution
The fourth proportional to 458,621.19, 687,838.43 and 174,212.17 is: 261,282.79
Step by Step Solution
- Step 1: Write the proportion equation
458,621.19 : 687,838.43 = 174,212.17 : x - Step 2: Convert to fraction form
458,621.19/687,838.43 = 174,212.17/x - Step 3: Cross multiply
458,621.19x = 687,838.43 × 174,212.17 - Step 4: Simplify right side
458,621.19x = 119,829,824,215.63 - Step 5: Solve for x
x = 119,829,824,215.63/458,621.19 - Step 6: Final answer
x = 261,282.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.