Finding the Fourth Proportional to 260,249,641.94, 390,360,093.74 and 190,291,560.75
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Solution
The fourth proportional to 260,249,641.94, 390,360,093.74 and 190,291,560.75 is: 285,426,834.55
Step by Step Solution
- Step 1: Write the proportion equation
260,249,641.94 : 390,360,093.74 = 190,291,560.75 : x - Step 2: Convert to fraction form
260,249,641.94/390,360,093.74 = 190,291,560.75/x - Step 3: Cross multiply
260,249,641.94x = 390,360,093.74 × 190,291,560.75 - Step 4: Simplify right side
260,249,641.94x = 74,282,231,491,349,456 - Step 5: Solve for x
x = 74,282,231,491,349,456/260,249,641.94 - Step 6: Final answer
x = 285,426,834.55
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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.