Finding the Fourth Proportional to 157,637.07, 236,426.45 and 52,427.79
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Solution
The fourth proportional to 157,637.07, 236,426.45 and 52,427.79 is: 78,631.99
Step by Step Solution
- Step 1: Write the proportion equation
157,637.07 : 236,426.45 = 52,427.79 : x - Step 2: Convert to fraction form
157,637.07/236,426.45 = 52,427.79/x - Step 3: Cross multiply
157,637.07x = 236,426.45 × 52,427.79 - Step 4: Simplify right side
157,637.07x = 12,395,316,008.91 - Step 5: Solve for x
x = 12,395,316,008.91/157,637.07 - Step 6: Final answer
x = 78,631.99
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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.