Finding the Fourth Proportional to 316,245.08, 474,037.13 and 138,602.36
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Solution
The fourth proportional to 316,245.08, 474,037.13 and 138,602.36 is: 207,758.70
Step by Step Solution
- Step 1: Write the proportion equation
316,245.08 : 474,037.13 = 138,602.36 : x - Step 2: Convert to fraction form
316,245.08/474,037.13 = 138,602.36/x - Step 3: Cross multiply
316,245.08x = 474,037.13 × 138,602.36 - Step 4: Simplify right side
316,245.08x = 65,702,666,477.23 - Step 5: Solve for x
x = 65,702,666,477.23/316,245.08 - Step 6: Final answer
x = 207,758.70
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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.