Finding the Fourth Proportional to 346,316.70, 519,475.05 and 121,711.80
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Solution
The fourth proportional to 346,316.70, 519,475.05 and 121,711.80 is: 182,567.70
Step by Step Solution
- Step 1: Write the proportion equation
346,316.70 : 519,475.05 = 121,711.80 : x - Step 2: Convert to fraction form
346,316.70/519,475.05 = 121,711.80/x - Step 3: Cross multiply
346,316.70x = 519,475.05 × 121,711.80 - Step 4: Simplify right side
346,316.70x = 63,226,243,390.59 - Step 5: Solve for x
x = 63,226,243,390.59/346,316.70 - Step 6: Final answer
x = 182,567.70
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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.