Finding the Fourth Proportional to 554,270.41, 831,407.36 and 154,908.55
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Solution
The fourth proportional to 554,270.41, 831,407.36 and 154,908.55 is: 232,363.31
Step by Step Solution
- Step 1: Write the proportion equation
554,270.41 : 831,407.36 = 154,908.55 : x - Step 2: Convert to fraction form
554,270.41/831,407.36 = 154,908.55/x - Step 3: Cross multiply
554,270.41x = 831,407.36 × 154,908.55 - Step 4: Simplify right side
554,270.41x = 128,792,108,596.93 - Step 5: Solve for x
x = 128,792,108,596.93/554,270.41 - Step 6: Final answer
x = 232,363.31
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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.