Finding the Fourth Proportional to 315,602,362.84, 435,493,541.28 and 174,454,516.48
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Solution
The fourth proportional to 315,602,362.84, 435,493,541.28 and 174,454,516.48 is: 240,726,382.69
Step by Step Solution
- Step 1: Write the proportion equation
315,602,362.84 : 435,493,541.28 = 174,454,516.48 : x - Step 2: Convert to fraction form
315,602,362.84/435,493,541.28 = 174,454,516.48/x - Step 3: Cross multiply
315,602,362.84x = 435,493,541.28 × 174,454,516.48 - Step 4: Simplify right side
315,602,362.84x = 75,973,815,174,165,312 - Step 5: Solve for x
x = 75,973,815,174,165,312/315,602,362.84 - Step 6: Final answer
x = 240,726,382.69
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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.