Finding the Fourth Proportional to 318,782.58, 439,893.36 and 175,550.28
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Solution
The fourth proportional to 318,782.58, 439,893.36 and 175,550.28 is: 242,244.74
Step by Step Solution
- Step 1: Write the proportion equation
318,782.58 : 439,893.36 = 175,550.28 : x - Step 2: Convert to fraction form
318,782.58/439,893.36 = 175,550.28/x - Step 3: Cross multiply
318,782.58x = 439,893.36 × 175,550.28 - Step 4: Simplify right side
318,782.58x = 77,223,402,518.14 - Step 5: Solve for x
x = 77,223,402,518.14/318,782.58 - Step 6: Final answer
x = 242,244.74
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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.