Finding the Fourth Proportional to 152,564.79, 210,551.84 and 84,603.08
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Solution
The fourth proportional to 152,564.79, 210,551.84 and 84,603.08 is: 116,759.14
Step by Step Solution
- Step 1: Write the proportion equation
152,564.79 : 210,551.84 = 84,603.08 : x - Step 2: Convert to fraction form
152,564.79/210,551.84 = 84,603.08/x - Step 3: Cross multiply
152,564.79x = 210,551.84 × 84,603.08 - Step 4: Simplify right side
152,564.79x = 17,813,333,322.42 - Step 5: Solve for x
x = 17,813,333,322.42/152,564.79 - Step 6: Final answer
x = 116,759.14
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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.