Finding the Fourth Proportional to 538,260.09, 807,386.08 and 138,866.91
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Solution
The fourth proportional to 538,260.09, 807,386.08 and 138,866.91 is: 208,299.32
Step by Step Solution
- Step 1: Write the proportion equation
538,260.09 : 807,386.08 = 138,866.91 : x - Step 2: Convert to fraction form
538,260.09/807,386.08 = 138,866.91/x - Step 3: Cross multiply
538,260.09x = 807,386.08 × 138,866.91 - Step 4: Simplify right side
538,260.09x = 112,119,210,106.61 - Step 5: Solve for x
x = 112,119,210,106.61/538,260.09 - Step 6: Final answer
x = 208,299.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.