Finding the Fourth Proportional to 525,357.42, 787,551.49 and 205,726.96
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Solution
The fourth proportional to 525,357.42, 787,551.49 and 205,726.96 is: 308,400.66
Step by Step Solution
- Step 1: Write the proportion equation
525,357.42 : 787,551.49 = 205,726.96 : x - Step 2: Convert to fraction form
525,357.42/787,551.49 = 205,726.96/x - Step 3: Cross multiply
525,357.42x = 787,551.49 × 205,726.96 - Step 4: Simplify right side
525,357.42x = 162,020,573,881.17 - Step 5: Solve for x
x = 162,020,573,881.17/525,357.42 - Step 6: Final answer
x = 308,400.66
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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.