Finding the Fourth Proportional to 152,561.79, 210,547.70 and 84,600.08
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Solution
The fourth proportional to 152,561.79, 210,547.70 and 84,600.08 is: 116,754.99
Step by Step Solution
- Step 1: Write the proportion equation
152,561.79 : 210,547.70 = 84,600.08 : x - Step 2: Convert to fraction form
152,561.79/210,547.70 = 84,600.08/x - Step 3: Cross multiply
152,561.79x = 210,547.70 × 84,600.08 - Step 4: Simplify right side
152,561.79x = 17,812,350,788.08 - Step 5: Solve for x
x = 17,812,350,788.08/152,561.79 - Step 6: Final answer
x = 116,754.99
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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.