Finding the Fourth Proportional to 268,810.35, 370,898.70 and 155,567.49
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Solution
The fourth proportional to 268,810.35, 370,898.70 and 155,567.49 is: 214,648.65
Step by Step Solution
- Step 1: Write the proportion equation
268,810.35 : 370,898.70 = 155,567.49 : x - Step 2: Convert to fraction form
268,810.35/370,898.70 = 155,567.49/x - Step 3: Cross multiply
268,810.35x = 370,898.70 × 155,567.49 - Step 4: Simplify right side
268,810.35x = 57,699,779,803.26 - Step 5: Solve for x
x = 57,699,779,803.26/268,810.35 - Step 6: Final answer
x = 214,648.65
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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.