Finding the Fourth Proportional to 382,683.06, 528,088.14 and 212,913.54
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Solution
The fourth proportional to 382,683.06, 528,088.14 and 212,913.54 is: 293,812.63
Step by Step Solution
- Step 1: Write the proportion equation
382,683.06 : 528,088.14 = 212,913.54 : x - Step 2: Convert to fraction form
382,683.06/528,088.14 = 212,913.54/x - Step 3: Cross multiply
382,683.06x = 528,088.14 × 212,913.54 - Step 4: Simplify right side
382,683.06x = 112,437,115,319.42 - Step 5: Solve for x
x = 112,437,115,319.42/382,683.06 - Step 6: Final answer
x = 293,812.63
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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.