Finding the Fourth Proportional to 368,733.24, 508,900.39 and 207,619.68
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Solution
The fourth proportional to 368,733.24, 508,900.39 and 207,619.68 is: 286,542.48
Step by Step Solution
- Step 1: Write the proportion equation
368,733.24 : 508,900.39 = 207,619.68 : x - Step 2: Convert to fraction form
368,733.24/508,900.39 = 207,619.68/x - Step 3: Cross multiply
368,733.24x = 508,900.39 × 207,619.68 - Step 4: Simplify right side
368,733.24x = 105,657,736,957.62 - Step 5: Solve for x
x = 105,657,736,957.62/368,733.24 - Step 6: Final answer
x = 286,542.48
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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.