Finding the Fourth Proportional to 316,497.68, 474,671.99 and 91,798.82
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Solution
The fourth proportional to 316,497.68, 474,671.99 and 91,798.82 is: 137,676.61
Step by Step Solution
- Step 1: Write the proportion equation
316,497.68 : 474,671.99 = 91,798.82 : x - Step 2: Convert to fraction form
316,497.68/474,671.99 = 91,798.82/x - Step 3: Cross multiply
316,497.68x = 474,671.99 × 91,798.82 - Step 4: Simplify right side
316,497.68x = 43,574,326,425.19 - Step 5: Solve for x
x = 43,574,326,425.19/316,497.68 - Step 6: Final answer
x = 137,676.61
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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.