Finding the Fourth Proportional to 157,199.04, 235,681.80 and 141,357.84
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Solution
The fourth proportional to 157,199.04, 235,681.80 and 141,357.84 is: 211,931.77
Step by Step Solution
- Step 1: Write the proportion equation
157,199.04 : 235,681.80 = 141,357.84 : x - Step 2: Convert to fraction form
157,199.04/235,681.80 = 141,357.84/x - Step 3: Cross multiply
157,199.04x = 235,681.80 × 141,357.84 - Step 4: Simplify right side
157,199.04x = 33,315,470,175.31 - Step 5: Solve for x
x = 33,315,470,175.31/157,199.04 - Step 6: Final answer
x = 211,931.77
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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.