Finding the Fourth Proportional to 535,246.12, 802,869.54 and 135,916.84
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Solution
The fourth proportional to 535,246.12, 802,869.54 and 135,916.84 is: 203,875.35
Step by Step Solution
- Step 1: Write the proportion equation
535,246.12 : 802,869.54 = 135,916.84 : x - Step 2: Convert to fraction form
535,246.12/802,869.54 = 135,916.84/x - Step 3: Cross multiply
535,246.12x = 802,869.54 × 135,916.84 - Step 4: Simplify right side
535,246.12x = 109,123,490,809.05 - Step 5: Solve for x
x = 109,123,490,809.05/535,246.12 - Step 6: Final answer
x = 203,875.35
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1.5x scale
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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.