Finding the Fourth Proportional to 340,970.12, 511,436.64 and 104,312.80
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Solution
The fourth proportional to 340,970.12, 511,436.64 and 104,312.80 is: 156,463.53
Step by Step Solution
- Step 1: Write the proportion equation
340,970.12 : 511,436.64 = 104,312.80 : x - Step 2: Convert to fraction form
340,970.12/511,436.64 = 104,312.80/x - Step 3: Cross multiply
340,970.12x = 511,436.64 × 104,312.80 - Step 4: Simplify right side
340,970.12x = 53,349,387,940.99 - Step 5: Solve for x
x = 53,349,387,940.99/340,970.12 - Step 6: Final answer
x = 156,463.53
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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.