Finding the Fourth Proportional to 438,810.42, 657,718.02 and 201,663.06
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Solution
The fourth proportional to 438,810.42, 657,718.02 and 201,663.06 is: 302,265.90
Step by Step Solution
- Step 1: Write the proportion equation
438,810.42 : 657,718.02 = 201,663.06 : x - Step 2: Convert to fraction form
438,810.42/657,718.02 = 201,663.06/x - Step 3: Cross multiply
438,810.42x = 657,718.02 × 201,663.06 - Step 4: Simplify right side
438,810.42x = 132,637,428,530.34 - Step 5: Solve for x
x = 132,637,428,530.34/438,810.42 - Step 6: Final answer
x = 302,265.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.