Finding the Fourth Proportional to 372,751.95, 514,403.55 and 202,985.94
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Solution
The fourth proportional to 372,751.95, 514,403.55 and 202,985.94 is: 280,123.79
Step by Step Solution
- Step 1: Write the proportion equation
372,751.95 : 514,403.55 = 202,985.94 : x - Step 2: Convert to fraction form
372,751.95/514,403.55 = 202,985.94/x - Step 3: Cross multiply
372,751.95x = 514,403.55 × 202,985.94 - Step 4: Simplify right side
372,751.95x = 104,416,688,136.09 - Step 5: Solve for x
x = 104,416,688,136.09/372,751.95 - Step 6: Final answer
x = 280,123.79
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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.