Finding the Fourth Proportional to 518,810.01, 778,238.88 and 158,955.09
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Solution
The fourth proportional to 518,810.01, 778,238.88 and 158,955.09 is: 238,439.95
Step by Step Solution
- Step 1: Write the proportion equation
518,810.01 : 778,238.88 = 158,955.09 : x - Step 2: Convert to fraction form
518,810.01/778,238.88 = 158,955.09/x - Step 3: Cross multiply
518,810.01x = 778,238.88 × 158,955.09 - Step 4: Simplify right side
518,810.01x = 123,705,030,417.12 - Step 5: Solve for x
x = 123,705,030,417.12/518,810.01 - Step 6: Final answer
x = 238,439.95
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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.