Finding the Fourth Proportional to 152,562.79, 210,549.08 and 84,601.08
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Solution
The fourth proportional to 152,562.79, 210,549.08 and 84,601.08 is: 116,756.38
Step by Step Solution
- Step 1: Write the proportion equation
152,562.79 : 210,549.08 = 84,601.08 : x - Step 2: Convert to fraction form
152,562.79/210,549.08 = 84,601.08/x - Step 3: Cross multiply
152,562.79x = 210,549.08 × 84,601.08 - Step 4: Simplify right side
152,562.79x = 17,812,679,561.01 - Step 5: Solve for x
x = 17,812,679,561.01/152,562.79 - Step 6: Final answer
x = 116,756.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.