Finding the Fourth Proportional to 318,483.06, 439,495.65 and 175,229.70
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Solution
The fourth proportional to 318,483.06, 439,495.65 and 175,229.70 is: 241,810.95
Step by Step Solution
- Step 1: Write the proportion equation
318,483.06 : 439,495.65 = 175,229.70 : x - Step 2: Convert to fraction form
318,483.06/439,495.65 = 175,229.70/x - Step 3: Cross multiply
318,483.06x = 439,495.65 × 175,229.70 - Step 4: Simplify right side
318,483.06x = 77,012,690,900.81 - Step 5: Solve for x
x = 77,012,690,900.81/318,483.06 - Step 6: Final answer
x = 241,810.95
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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.