Finding the Fourth Proportional to 145,787.98, 201,254.96 and 102,802.50
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Solution
The fourth proportional to 145,787.98, 201,254.96 and 102,802.50 is: 141,915.08
Step by Step Solution
- Step 1: Write the proportion equation
145,787.98 : 201,254.96 = 102,802.50 : x - Step 2: Convert to fraction form
145,787.98/201,254.96 = 102,802.50/x - Step 3: Cross multiply
145,787.98x = 201,254.96 × 102,802.50 - Step 4: Simplify right side
145,787.98x = 20,689,513,025.40 - Step 5: Solve for x
x = 20,689,513,025.40/145,787.98 - Step 6: Final answer
x = 141,915.08
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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.