Finding the Fourth Proportional to 360,168.95, 539,877.99 and 135,374.51
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Solution
The fourth proportional to 360,168.95, 539,877.99 and 135,374.51 is: 202,920.65
Step by Step Solution
- Step 1: Write the proportion equation
360,168.95 : 539,877.99 = 135,374.51 : x - Step 2: Convert to fraction form
360,168.95/539,877.99 = 135,374.51/x - Step 3: Cross multiply
360,168.95x = 539,877.99 × 135,374.51 - Step 4: Simplify right side
360,168.95x = 73,085,718,356.03 - Step 5: Solve for x
x = 73,085,718,356.03/360,168.95 - Step 6: Final answer
x = 202,920.65
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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.