Finding the Fourth Proportional to 143,693.07, 215,730.35 and 122,767.53
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Solution
The fourth proportional to 143,693.07, 215,730.35 and 122,767.53 is: 184,314.26
Step by Step Solution
- Step 1: Write the proportion equation
143,693.07 : 215,730.35 = 122,767.53 : x - Step 2: Convert to fraction form
143,693.07/215,730.35 = 122,767.53/x - Step 3: Cross multiply
143,693.07x = 215,730.35 × 122,767.53 - Step 4: Simplify right side
143,693.07x = 26,484,681,136.88 - Step 5: Solve for x
x = 26,484,681,136.88/143,693.07 - Step 6: Final answer
x = 184,314.26
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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.