Finding the Fourth Proportional to 270,365.06, 405,666.14 and 128,312.93
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Solution
The fourth proportional to 270,365.06, 405,666.14 and 128,312.93 is: 192,525.65
Step by Step Solution
- Step 1: Write the proportion equation
270,365.06 : 405,666.14 = 128,312.93 : x - Step 2: Convert to fraction form
270,365.06/405,666.14 = 128,312.93/x - Step 3: Cross multiply
270,365.06x = 405,666.14 × 128,312.93 - Step 4: Simplify right side
270,365.06x = 52,052,208,355.29 - Step 5: Solve for x
x = 52,052,208,355.29/270,365.06 - Step 6: Final answer
x = 192,525.65
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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.