Finding the Fourth Proportional to 348,027.70, 522,041.55 and 208,059.70
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Solution
The fourth proportional to 348,027.70, 522,041.55 and 208,059.70 is: 312,089.55
Step by Step Solution
- Step 1: Write the proportion equation
348,027.70 : 522,041.55 = 208,059.70 : x - Step 2: Convert to fraction form
348,027.70/522,041.55 = 208,059.70/x - Step 3: Cross multiply
348,027.70x = 522,041.55 × 208,059.70 - Step 4: Simplify right side
348,027.70x = 108,615,808,280.54 - Step 5: Solve for x
x = 108,615,808,280.54/348,027.70 - Step 6: Final answer
x = 312,089.55
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1.5x scale
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.