Finding the Fourth Proportional to 628,215.12, 942,233.76 and 201,788.02
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Solution
The fourth proportional to 628,215.12, 942,233.76 and 201,788.02 is: 302,653.47
Step by Step Solution
- Step 1: Write the proportion equation
628,215.12 : 942,233.76 = 201,788.02 : x - Step 2: Convert to fraction form
628,215.12/942,233.76 = 201,788.02/x - Step 3: Cross multiply
628,215.12x = 942,233.76 × 201,788.02 - Step 4: Simplify right side
628,215.12x = 190,131,484,807.56 - Step 5: Solve for x
x = 190,131,484,807.56/628,215.12 - Step 6: Final answer
x = 302,653.47
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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.