Finding the Fourth Proportional to 287,210.97, 430,878.60 and 87,526.08
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Solution
The fourth proportional to 287,210.97, 430,878.60 and 87,526.08 is: 131,308.06
Step by Step Solution
- Step 1: Write the proportion equation
287,210.97 : 430,878.60 = 87,526.08 : x - Step 2: Convert to fraction form
287,210.97/430,878.60 = 87,526.08/x - Step 3: Cross multiply
287,210.97x = 430,878.60 × 87,526.08 - Step 4: Simplify right side
287,210.97x = 37,713,114,813.89 - Step 5: Solve for x
x = 37,713,114,813.89/287,210.97 - Step 6: Final answer
x = 131,308.06
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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.