Finding the Fourth Proportional to 372,561.64, 514,120.76 and 211,407.08
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Solution
The fourth proportional to 372,561.64, 514,120.76 and 211,407.08 is: 291,733.65
Step by Step Solution
- Step 1: Write the proportion equation
372,561.64 : 514,120.76 = 211,407.08 : x - Step 2: Convert to fraction form
372,561.64/514,120.76 = 211,407.08/x - Step 3: Cross multiply
372,561.64x = 514,120.76 × 211,407.08 - Step 4: Simplify right side
372,561.64x = 108,688,768,638.98 - Step 5: Solve for x
x = 108,688,768,638.98/372,561.64 - Step 6: Final answer
x = 291,733.65
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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.