Finding the Fourth Proportional to 145,395.68, 218,004.21 and 56,545.63
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Solution
The fourth proportional to 145,395.68, 218,004.21 and 56,545.63 is: 84,783.71
Step by Step Solution
- Step 1: Write the proportion equation
145,395.68 : 218,004.21 = 56,545.63 : x - Step 2: Convert to fraction form
145,395.68/218,004.21 = 56,545.63/x - Step 3: Cross multiply
145,395.68x = 218,004.21 × 56,545.63 - Step 4: Simplify right side
145,395.68x = 12,327,184,852.09 - Step 5: Solve for x
x = 12,327,184,852.09/145,395.68 - Step 6: Final answer
x = 84,783.71
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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.