Finding the Fourth Proportional to 346,203.40, 519,532.16 and 121,558.05
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Solution
The fourth proportional to 346,203.40, 519,532.16 and 121,558.05 is: 182,416.80
Step by Step Solution
- Step 1: Write the proportion equation
346,203.40 : 519,532.16 = 121,558.05 : x - Step 2: Convert to fraction form
346,203.40/519,532.16 = 121,558.05/x - Step 3: Cross multiply
346,203.40x = 519,532.16 × 121,558.05 - Step 4: Simplify right side
346,203.40x = 63,153,316,281.89 - Step 5: Solve for x
x = 63,153,316,281.89/346,203.40 - Step 6: Final answer
x = 182,416.80
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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.