Finding the Fourth Proportional to 566,277.18, 781,478.95 and 308,170.79
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Solution
The fourth proportional to 566,277.18, 781,478.95 and 308,170.79 is: 425,284.63
Step by Step Solution
- Step 1: Write the proportion equation
566,277.18 : 781,478.95 = 308,170.79 : x - Step 2: Convert to fraction form
566,277.18/781,478.95 = 308,170.79/x - Step 3: Cross multiply
566,277.18x = 781,478.95 × 308,170.79 - Step 4: Simplify right side
566,277.18x = 240,828,979,941.62 - Step 5: Solve for x
x = 240,828,979,941.62/566,277.18 - Step 6: Final answer
x = 425,284.63
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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.