Finding the Fourth Proportional to 316,658.14, 475,026.36 and 103,447.52
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Solution
The fourth proportional to 316,658.14, 475,026.36 and 103,447.52 is: 155,184.07
Step by Step Solution
- Step 1: Write the proportion equation
316,658.14 : 475,026.36 = 103,447.52 : x - Step 2: Convert to fraction form
316,658.14/475,026.36 = 103,447.52/x - Step 3: Cross multiply
316,658.14x = 475,026.36 × 103,447.52 - Step 4: Simplify right side
316,658.14x = 49,140,298,876.63 - Step 5: Solve for x
x = 49,140,298,876.63/316,658.14 - Step 6: Final answer
x = 155,184.07
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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.