Finding the Fourth Proportional to 384,761.73, 530,970.08 and 214,995.99
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Solution
The fourth proportional to 384,761.73, 530,970.08 and 214,995.99 is: 296,693.84
Step by Step Solution
- Step 1: Write the proportion equation
384,761.73 : 530,970.08 = 214,995.99 : x - Step 2: Convert to fraction form
384,761.73/530,970.08 = 214,995.99/x - Step 3: Cross multiply
384,761.73x = 530,970.08 × 214,995.99 - Step 4: Simplify right side
384,761.73x = 114,156,436,935.00 - Step 5: Solve for x
x = 114,156,436,935.00/384,761.73 - Step 6: Final answer
x = 296,693.84
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1.5x scale
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.