Finding the Fourth Proportional to 453,097.49, 679,602.36 and 137,557.13
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Solution
The fourth proportional to 453,097.49, 679,602.36 and 137,557.13 is: 206,322.37
Step by Step Solution
- Step 1: Write the proportion equation
453,097.49 : 679,602.36 = 137,557.13 : x - Step 2: Convert to fraction form
453,097.49/679,602.36 = 137,557.13/x - Step 3: Cross multiply
453,097.49x = 679,602.36 × 137,557.13 - Step 4: Simplify right side
453,097.49x = 93,484,150,182.83 - Step 5: Solve for x
x = 93,484,150,182.83/453,097.49 - Step 6: Final answer
x = 206,322.37
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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.