Finding the Fourth Proportional to 320,374.63, 442,106.16 and 184,389.70
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Solution
The fourth proportional to 320,374.63, 442,106.16 and 184,389.70 is: 254,451.55
Step by Step Solution
- Step 1: Write the proportion equation
320,374.63 : 442,106.16 = 184,389.70 : x - Step 2: Convert to fraction form
320,374.63/442,106.16 = 184,389.70/x - Step 3: Cross multiply
320,374.63x = 442,106.16 × 184,389.70 - Step 4: Simplify right side
320,374.63x = 81,519,822,210.55 - Step 5: Solve for x
x = 81,519,822,210.55/320,374.63 - Step 6: Final answer
x = 254,451.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.