Finding the Fourth Proportional to 403,543.94, 556,757.34 and 260,399.12
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Solution
The fourth proportional to 403,543.94, 556,757.34 and 260,399.12 is: 359,264.77
Step by Step Solution
- Step 1: Write the proportion equation
403,543.94 : 556,757.34 = 260,399.12 : x - Step 2: Convert to fraction form
403,543.94/556,757.34 = 260,399.12/x - Step 3: Cross multiply
403,543.94x = 556,757.34 × 260,399.12 - Step 4: Simplify right side
403,543.94x = 144,979,121,389.54 - Step 5: Solve for x
x = 144,979,121,389.54/403,543.94 - Step 6: Final answer
x = 359,264.77
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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.