Finding the Fourth Proportional to 316,385.71, 473,823.78 and 202,174.54
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Solution
The fourth proportional to 316,385.71, 473,823.78 and 202,174.54 is: 302,779.49
Step by Step Solution
- Step 1: Write the proportion equation
316,385.71 : 473,823.78 = 202,174.54 : x - Step 2: Convert to fraction form
316,385.71/473,823.78 = 202,174.54/x - Step 3: Cross multiply
316,385.71x = 473,823.78 × 202,174.54 - Step 4: Simplify right side
316,385.71x = 95,795,104,762.56 - Step 5: Solve for x
x = 95,795,104,762.56/316,385.71 - Step 6: Final answer
x = 302,779.49
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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.