Finding the Fourth Proportional to 344,970.78, 475,931.99 and 344,438.76
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Solution
The fourth proportional to 344,970.78, 475,931.99 and 344,438.76 is: 475,197.99
Step by Step Solution
- Step 1: Write the proportion equation
344,970.78 : 475,931.99 = 344,438.76 : x - Step 2: Convert to fraction form
344,970.78/475,931.99 = 344,438.76/x - Step 3: Cross multiply
344,970.78x = 475,931.99 × 344,438.76 - Step 4: Simplify right side
344,970.78x = 163,929,422,757.74 - Step 5: Solve for x
x = 163,929,422,757.74/344,970.78 - Step 6: Final answer
x = 475,197.99
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1.5x scale
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.