Finding the Fourth Proportional to 579,362.79, 869,044.91 and 158,642.31
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Solution
The fourth proportional to 579,362.79, 869,044.91 and 158,642.31 is: 237,963.66
Step by Step Solution
- Step 1: Write the proportion equation
579,362.79 : 869,044.91 = 158,642.31 : x - Step 2: Convert to fraction form
579,362.79/869,044.91 = 158,642.31/x - Step 3: Cross multiply
579,362.79x = 869,044.91 × 158,642.31 - Step 4: Simplify right side
579,362.79x = 137,867,291,222.93 - Step 5: Solve for x
x = 137,867,291,222.93/579,362.79 - Step 6: Final answer
x = 237,963.66
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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.