Finding the Fourth Proportional to 370,011.84, 554,916.96 and 103,755.84
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Solution
The fourth proportional to 370,011.84, 554,916.96 and 103,755.84 is: 155,605.49
Step by Step Solution
- Step 1: Write the proportion equation
370,011.84 : 554,916.96 = 103,755.84 : x - Step 2: Convert to fraction form
370,011.84/554,916.96 = 103,755.84/x - Step 3: Cross multiply
370,011.84x = 554,916.96 × 103,755.84 - Step 4: Simplify right side
370,011.84x = 57,575,875,315.05 - Step 5: Solve for x
x = 57,575,875,315.05/370,011.84 - Step 6: Final answer
x = 155,605.49
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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.