Finding the Fourth Proportional to 302,690.13, 417,712.37 and 175,439.53
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Solution
The fourth proportional to 302,690.13, 417,712.37 and 175,439.53 is: 242,106.55
Step by Step Solution
- Step 1: Write the proportion equation
302,690.13 : 417,712.37 = 175,439.53 : x - Step 2: Convert to fraction form
302,690.13/417,712.37 = 175,439.53/x - Step 3: Cross multiply
302,690.13x = 417,712.37 × 175,439.53 - Step 4: Simplify right side
302,690.13x = 73,283,261,867.99 - Step 5: Solve for x
x = 73,283,261,867.99/302,690.13 - Step 6: Final answer
x = 242,106.55
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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.