Finding the Fourth Proportional to 430,066.62, 644,673.81 and 201,953.88
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Solution
The fourth proportional to 430,066.62, 644,673.81 and 201,953.88 is: 302,730.72
Step by Step Solution
- Step 1: Write the proportion equation
430,066.62 : 644,673.81 = 201,953.88 : x - Step 2: Convert to fraction form
430,066.62/644,673.81 = 201,953.88/x - Step 3: Cross multiply
430,066.62x = 644,673.81 × 201,953.88 - Step 4: Simplify right side
430,066.62x = 130,194,376,254.11 - Step 5: Solve for x
x = 130,194,376,254.11/430,066.62 - Step 6: Final answer
x = 302,730.72
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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.