Finding the Fourth Proportional to 178,064.99, 245,720.35 and 97,477.09
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Solution
The fourth proportional to 178,064.99, 245,720.35 and 97,477.09 is: 134,513.27
Step by Step Solution
- Step 1: Write the proportion equation
178,064.99 : 245,720.35 = 97,477.09 : x - Step 2: Convert to fraction form
178,064.99/245,720.35 = 97,477.09/x - Step 3: Cross multiply
178,064.99x = 245,720.35 × 97,477.09 - Step 4: Simplify right side
178,064.99x = 23,952,104,671.78 - Step 5: Solve for x
x = 23,952,104,671.78/178,064.99 - Step 6: Final answer
x = 134,513.27
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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.