Finding the Fourth Proportional to 461,813.06, 637,312.83 and 257,857.09
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Solution
The fourth proportional to 461,813.06, 637,312.83 and 257,857.09 is: 355,848.82
Step by Step Solution
- Step 1: Write the proportion equation
461,813.06 : 637,312.83 = 257,857.09 : x - Step 2: Convert to fraction form
461,813.06/637,312.83 = 257,857.09/x - Step 3: Cross multiply
461,813.06x = 637,312.83 × 257,857.09 - Step 4: Simplify right side
461,813.06x = 164,335,631,763.47 - Step 5: Solve for x
x = 164,335,631,763.47/461,813.06 - Step 6: Final answer
x = 355,848.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.