Finding the Fourth Proportional to 566,277.68, 781,479.63 and 308,171.28
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Solution
The fourth proportional to 566,277.68, 781,479.63 and 308,171.28 is: 425,285.31
Step by Step Solution
- Step 1: Write the proportion equation
566,277.68 : 781,479.63 = 308,171.28 : x - Step 2: Convert to fraction form
566,277.68/781,479.63 = 308,171.28/x - Step 3: Cross multiply
566,277.68x = 781,479.63 × 308,171.28 - Step 4: Simplify right side
566,277.68x = 240,829,577,871.03 - Step 5: Solve for x
x = 240,829,577,871.03/566,277.68 - Step 6: Final answer
x = 425,285.31
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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.