Finding the Fourth Proportional to 448,357.68, 671,788.98 and 368,641.53
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Solution
The fourth proportional to 448,357.68, 671,788.98 and 368,641.53 is: 552,347.66
Step by Step Solution
- Step 1: Write the proportion equation
448,357.68 : 671,788.98 = 368,641.53 : x - Step 2: Convert to fraction form
448,357.68/671,788.98 = 368,641.53/x - Step 3: Cross multiply
448,357.68x = 671,788.98 × 368,641.53 - Step 4: Simplify right side
448,357.68x = 247,649,317,424.34 - Step 5: Solve for x
x = 247,649,317,424.34/448,357.68 - Step 6: Final answer
x = 552,347.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.