Finding the Fourth Proportional to 554,605.79, 831,908.68 and 180,628.79
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Solution
The fourth proportional to 554,605.79, 831,908.68 and 180,628.79 is: 270,943.18
Step by Step Solution
- Step 1: Write the proportion equation
554,605.79 : 831,908.68 = 180,628.79 : x - Step 2: Convert to fraction form
554,605.79/831,908.68 = 180,628.79/x - Step 3: Cross multiply
554,605.79x = 831,908.68 × 180,628.79 - Step 4: Simplify right side
554,605.79x = 150,266,653,647.78 - Step 5: Solve for x
x = 150,266,653,647.78/554,605.79 - Step 6: Final answer
x = 270,943.18
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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.