Finding the Fourth Proportional to 316,897.14, 437,328.71 and 173,655.93
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Solution
The fourth proportional to 316,897.14, 437,328.71 and 173,655.93 is: 239,651.02
Step by Step Solution
- Step 1: Write the proportion equation
316,897.14 : 437,328.71 = 173,655.93 : x - Step 2: Convert to fraction form
316,897.14/437,328.71 = 173,655.93/x - Step 3: Cross multiply
316,897.14x = 437,328.71 × 173,655.93 - Step 4: Simplify right side
316,897.14x = 75,944,722,982.47 - Step 5: Solve for x
x = 75,944,722,982.47/316,897.14 - Step 6: Final answer
x = 239,651.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.