Finding the Fourth Proportional to 402,197.52, 554,970.72 and 232,398.84
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Solution
The fourth proportional to 402,197.52, 554,970.72 and 232,398.84 is: 320,674.66
Step by Step Solution
- Step 1: Write the proportion equation
402,197.52 : 554,970.72 = 232,398.84 : x - Step 2: Convert to fraction form
402,197.52/554,970.72 = 232,398.84/x - Step 3: Cross multiply
402,197.52x = 554,970.72 × 232,398.84 - Step 4: Simplify right side
402,197.52x = 128,974,551,561.97 - Step 5: Solve for x
x = 128,974,551,561.97/402,197.52 - Step 6: Final answer
x = 320,674.66
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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.