Finding the Fourth Proportional to 432,433.86, 648,653.11 and 283,616.53
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Solution
The fourth proportional to 432,433.86, 648,653.11 and 283,616.53 is: 425,426.32
Step by Step Solution
- Step 1: Write the proportion equation
432,433.86 : 648,653.11 = 283,616.53 : x - Step 2: Convert to fraction form
432,433.86/648,653.11 = 283,616.53/x - Step 3: Cross multiply
432,433.86x = 648,653.11 × 283,616.53 - Step 4: Simplify right side
432,433.86x = 183,968,745,549.91 - Step 5: Solve for x
x = 183,968,745,549.91/432,433.86 - Step 6: Final answer
x = 425,426.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.