Finding the Fourth Proportional to 318,295.98, 439,252.12 and 175,058.42
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Solution
The fourth proportional to 318,295.98, 439,252.12 and 175,058.42 is: 241,582.63
Step by Step Solution
- Step 1: Write the proportion equation
318,295.98 : 439,252.12 = 175,058.42 : x - Step 2: Convert to fraction form
318,295.98/439,252.12 = 175,058.42/x - Step 3: Cross multiply
318,295.98x = 439,252.12 × 175,058.42 - Step 4: Simplify right side
318,295.98x = 76,894,779,146.71 - Step 5: Solve for x
x = 76,894,779,146.71/318,295.98 - Step 6: Final answer
x = 241,582.63
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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.